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Reference Guide 2026

Advertising Compliance
Glossary

179+ terms explained in plain English — from platform policies and legal frameworks to ad tech metrics and enforcement actions.

179 Terms

Showing 179 of 179 terms

A/B Testing

Content & Creative

A method of comparing two versions of an ad or landing page to determine which performs better.

All

Account Disabled

Enforcement & Risk

When an ad platform permanently or temporarily shuts down an advertiser's account due to repeated or severe policy violations.

All

Account Health

Enforcement & Risk

A platform's assessment of an advertiser's overall compliance track record, affecting ad review speed and account privileges.

All

Account Recovery

Enforcement & Risk

The process of regaining access to or restoring functionality of a restricted or disabled ad account through platform support channels.

All

Account Suspension

Enforcement & Risk

A temporary restriction on an ad account, usually pending review or requiring the advertiser to fix policy issues.

All

Ad Account

Platform Policy

The organizational unit within an ad platform that holds campaigns, billing information, and permissions for running advertisements.

All

Ad Account Warm-Up

Platform Policy

The practice of gradually increasing ad spend on new accounts to build trust with platform algorithms and avoid triggering fraud detection.

All

Ad Auction

Ad Tech & Metrics

The real-time bidding process where platforms determine which ad to show to a specific user based on bid, quality, and relevance.

All

Ad Copy

Content & Creative

The written text in an advertisement, including headlines, descriptions, and calls to action.

All

Ad Creative

Content & Creative

The visual and multimedia elements of an advertisement, including images, videos, carousels, and interactive formats.

All

Ad Disapproval

Enforcement & Risk

When a platform rejects an ad for violating its advertising policies, preventing it from being shown to users.

All

Ad Fatigue

Ad Tech & Metrics

The decline in ad performance that occurs when an audience sees the same ad too many times.

All

Ad Fraud

Enforcement & Risk

Fraudulent activity that manipulates ad delivery, clicks, or conversions to generate illegitimate revenue or inflate metrics.

All

Ad Frequency Cap

Ad Tech & Metrics

A setting that limits the maximum number of times a specific user can see an ad within a defined time period.

All

Ad Library

Platform Policy

A public transparency tool provided by platforms that allows anyone to view active and past ads run by advertisers.

MetaGoogleTikTokLinkedInXSnapchat

Ad Placement

Platform Policy

The specific location or format where an ad appears within a platform's ecosystem (e.g., Feed, Stories, Reels, Search).

All

Ad Recall Lift

Ad Tech & Metrics

A metric estimating the additional number of users who would remember seeing an ad within two days of exposure.

MetaYouTube

Ad Rejection

Enforcement & Risk

The act of a platform declining to run an ad because it violates advertising policies or guidelines.

All

Ad Relevance Diagnostics

Ad Tech & Metrics

Meta's system that rates ad quality across three dimensions: quality ranking, engagement rate ranking, and conversion rate ranking.

Meta

Ad Scheduling

Platform Policy

The ability to set specific dates, times, and days of the week when ads are eligible to be shown.

All

Ad Set

Platform Policy

A mid-level organizational unit within ad campaigns that defines targeting, budget, schedule, and placement settings.

MetaTikTokSnapchatPinterest

Ads.txt

Platform Policy

An IAB standard that publishers use to declare which companies are authorized to sell their ad inventory, combating unauthorized reselling.

Google

Advertiser Identity Verification

Platform Policy

The process by which ad platforms verify the identity and legitimacy of advertisers before allowing them to run ads.

All

Affiliate Marketing

Industry-Specific

A marketing arrangement where third parties promote products for a commission, subject to specific platform rules and FTC disclosure requirements.

All

Age-Gating

Platform Policy

Mechanisms that restrict ad targeting or content access based on user age, required for age-restricted products and services.

All

AI-Generated Content

Content & Creative

Advertising content created or modified using artificial intelligence tools, subject to emerging platform disclosure requirements and regulations.

All

Alcohol Advertising

Industry-Specific

Advertising for alcoholic beverages, subject to strict platform policies, age-gating requirements, and jurisdiction-specific regulations.

All

Algorithm

Ad Tech & Metrics

The automated decision-making system platforms use to determine which ads to show to which users and at what price.

All

Allowlisting

Platform Policy

Granting specific accounts, domains, or creatives pre-approved status that bypasses certain platform restrictions or reviews.

MetaGoogleYouTube

App Tracking Transparency

Privacy & Data

Apple's iOS framework requiring apps to get explicit user permission before tracking their activity across other apps and websites.

All

Appeal

Enforcement & Risk

The formal process of requesting a platform to reconsider an ad disapproval, account restriction, or policy enforcement decision.

All

Attribution

Ad Tech & Metrics

The process of determining which ads and touchpoints contributed to a conversion, used for optimizing ad spend allocation.

All

Audience Exclusion

Ad Tech & Metrics

The practice of removing specific user segments from ad targeting to improve relevance or comply with policy requirements.

All

Audience Insights

Ad Tech & Metrics

Platform tools providing demographic, behavioral, and interest data about an advertiser's audience segments.

All

Audience Network

Platform Policy

A platform's extended ad delivery network that places ads on third-party apps and websites beyond the core platform.

MetaGoogle

Audience Targeting

Ad Tech & Metrics

The process of defining which users will see an ad based on demographics, interests, behaviors, and other criteria.

All

Automated Rules

Ad Tech & Metrics

Platform features that automatically adjust campaigns based on predefined performance or compliance conditions.

MetaGoogleTikTok

Before/After Images

Industry-Specific

Comparison images showing results before and after using a product or service, heavily restricted on most ad platforms.

All

Behavioral Targeting

Ad Tech & Metrics

Targeting ads based on users' past online behavior, browsing history, and interaction patterns.

All

Brand Safety

Content & Creative

Measures taken to ensure ads do not appear alongside harmful, offensive, or inappropriate content that could damage brand reputation.

All

Branded Content

Content & Creative

Content created by influencers or publishers that features or is influenced by a brand, requiring proper disclosure and platform tagging.

All

Business Manager

Platform Policy

A platform's centralized hub for managing ad accounts, pages, users, and business assets with permissions and security controls.

MetaGoogleTikTokLinkedInSnapchat

Business Verification

Platform Policy

The process of confirming a business's legal identity, address, and legitimacy on advertising platforms.

All

Call to Action

Content & Creative

A prompt in an ad encouraging the viewer to take a specific action, such as 'Shop Now,' 'Learn More,' or 'Sign Up.'

All

Campaign

Platform Policy

The top-level organizational unit in ad platforms that defines the advertising objective, budget, and overarching strategy.

All

CAN-SPAM

Legal & Regulatory

The US federal law governing commercial email messages, requiring sender identification, opt-out mechanisms, and truthful headers.

All

Cannabis Advertising

Industry-Specific

Advertising for cannabis products, restricted or prohibited on most platforms due to federal/international illegality despite state-level legalization.

All

CAPI

Ad Tech & Metrics

Conversions API — a server-side tracking method that sends conversion data directly from the advertiser's server to the ad platform.

MetaGoogleTikTokLinkedInSnapchatPinterest

CASL

Legal & Regulatory

Canada's Anti-Spam Legislation — a Canadian law governing commercial electronic messages, requiring express or implied consent.

All

CCPA

Legal & Regulatory

The California Consumer Privacy Act — a US state law giving California residents rights over their personal data, including the right to opt out of data sale.

All

Children's Advertising

Industry-Specific

Advertising directed at or likely to reach children, subject to strict regulations including COPPA, GDPR-K, and platform-specific protections.

All

Children's Privacy

Privacy & Data

Special privacy protections for minors' data, enforced through COPPA, GDPR, and increasingly strict platform policies.

All

Claim Substantiation

Industry-Specific

The documented evidence supporting advertising claims, required before claims are made in advertising by both the FTC and platform policies.

All

Click Fraud

Enforcement & Risk

The practice of generating fake or invalid clicks on ads to drain an advertiser's budget or inflate publisher revenue.

All

Click-Through Rate

Ad Tech & Metrics

The percentage of users who click on an ad after seeing it, calculated as clicks divided by impressions.

All

Clickbait

Enforcement & Risk

Sensationalized or misleading ad content designed to attract clicks through curiosity or deception, prohibited by most platforms.

All

Cloaking

Enforcement & Risk

The deceptive practice of showing different content to platform reviewers than what actual users see, a serious policy violation.

All

Community Guidelines

Platform Policy

A platform's rules governing acceptable content and behavior for all users, which also apply to advertising content.

All

Comparative Advertising

Industry-Specific

Advertising that compares a product or service with competitors, subject to truthfulness requirements and platform-specific rules.

All

Compliance Audit

Industry-Specific

A systematic review of advertising practices to ensure adherence to platform policies, regulations, and industry standards.

All

Compliance Framework

Industry-Specific

A structured set of policies, procedures, and controls that an organization implements to ensure advertising practices meet regulatory and platform requirements.

All

Compliance Monitoring

Industry-Specific

Ongoing surveillance of advertising activities to detect and address policy violations, regulatory breaches, and compliance risks in real time.

All

Content Creator

Content & Creative

An individual who produces digital content for platforms, often partnering with brands for sponsored content and advertising.

All

Content Moderation

Platform Policy

The process by which platforms review and enforce rules on user-generated and advertising content.

All

Contextual Targeting

Ad Tech & Metrics

Targeting ads based on the content of the page or app being viewed, rather than user behavior or profile data.

All

Conversion

Ad Tech & Metrics

A desired action completed by a user after interacting with an ad, such as a purchase, sign-up, or download.

All

Conversion Lift

Ad Tech & Metrics

A measurement methodology that uses test/control groups to determine the true incremental impact of advertising on conversions.

MetaGoogleTikTok

Conversion Rate

Ad Tech & Metrics

The percentage of users who complete a desired action after clicking an ad, calculated as conversions divided by clicks.

All

Conversion Window

Ad Tech & Metrics

The time period after an ad click or view during which a conversion is attributed to that ad interaction.

All

COPPA

Legal & Regulatory

The Children's Online Privacy Protection Act — a US federal law that restricts the collection of personal data from children under 13.

All

Cost Per Acquisition

Ad Tech & Metrics

The average cost to acquire one conversion, calculated by dividing total ad spend by the number of conversions.

All

Cost Per Click

Ad Tech & Metrics

The amount an advertiser pays for each click on their ad in a pay-per-click advertising model.

All

Cost Per Mille

Ad Tech & Metrics

The cost per thousand impressions, a standard pricing model for display and video advertising.

All

Cross-Border Advertising

Legal & Regulatory

Running advertising campaigns across multiple countries, requiring compliance with each jurisdiction's unique advertising regulations.

All

Crypto Advertising

Industry-Specific

Advertising for cryptocurrency products and services, subject to rapidly evolving platform restrictions and financial regulations.

All

Custom Audience

Ad Tech & Metrics

An audience segment created from an advertiser's own customer data (email lists, website visitors, app users) for targeted advertising.

All

Dark Patterns

Enforcement & Risk

Deceptive user interface designs that manipulate users into unintended actions, such as hidden opt-outs or confusing consent flows.

All

Data Controller

Privacy & Data

The entity that determines the purposes and means of processing personal data, bearing primary responsibility under GDPR.

All

Data Minimization

Privacy & Data

A GDPR principle requiring that only personal data necessary for the specified purpose is collected and processed.

All

Data Processing Agreement

Privacy & Data

A legally binding contract between a data controller and data processor that governs how personal data is handled.

All

Data Processor

Privacy & Data

An entity that processes personal data on behalf of a data controller, bound by a data processing agreement.

All

Data Protection Impact Assessment

Privacy & Data

A formal assessment required by GDPR for data processing activities that pose a high risk to individuals' privacy rights.

All

Data Protection Officer

Privacy & Data

A designated role responsible for overseeing an organization's data protection strategy and GDPR compliance.

All

Data Subject Access Request

Privacy & Data

A formal request from an individual to access, correct, or delete their personal data held by an organization.

All

Dayparting

Ad Tech & Metrics

Scheduling ads to run only during specific times of day or days of the week to optimize performance or comply with regulations.

All

Deceptive Design

Enforcement & Risk

Interface designs that manipulate users into making unintended choices, synonymous with dark patterns and increasingly regulated.

All

Destination URL

Platform Policy

The webpage URL where users are directed after clicking an ad, subject to platform policies on matching, functionality, and content.

All

Digital Markets Act

Legal & Regulatory

An EU regulation targeting large platform 'gatekeepers' with rules on fair competition, data portability, and advertising transparency.

MetaGoogleTikTok

Digital Services Act

Legal & Regulatory

An EU regulation imposing transparency, content moderation, and advertising rules on online platforms and search engines.

All

Disclaimer

Industry-Specific

A statement in or accompanying an ad that limits liability, clarifies claims, or provides legally required disclosures.

All

Dynamic Creative Optimization

Content & Creative

Technology that automatically generates and tests multiple ad variations by combining different creative elements.

MetaGoogleTikTok

Email Marketing

Industry-Specific

Sending commercial messages via email, subject to regulations like CAN-SPAM, CASL, and GDPR consent requirements.

All

Endorsement Disclosure

Industry-Specific

A clear statement revealing a material connection between an endorser and a brand, required by FTC guidelines and platform policies.

All

Engagement Rate

Ad Tech & Metrics

The percentage of users who interact with an ad through likes, comments, shares, or other engagement actions relative to impressions or reach.

All

Enhanced Conversions

Ad Tech & Metrics

Google's privacy-safe conversion measurement that uses hashed first-party data to improve conversion tracking accuracy.

Google

ePrivacy Directive

Legal & Regulatory

An EU directive governing electronic communications privacy, including rules on cookies, tracking, and direct marketing.

All

Financial Advertising

Industry-Specific

Advertising for financial products and services, subject to platform restrictions, licensing requirements, and regulatory disclosures.

All

First-Party Data

Privacy & Data

Data collected directly by an organization from its own customers and users through direct interactions.

All

Frequency

Ad Tech & Metrics

The average number of times a unique user sees a specific ad within a given time period.

All

FTC

Legal & Regulatory

The Federal Trade Commission — the primary US federal agency enforcing truth-in-advertising laws and consumer protection regulations.

All

Gambling Advertising

Industry-Specific

Advertising for gambling, betting, and games of chance, subject to strict platform restrictions and varying national regulations.

All

Gatekeeper

Legal & Regulatory

A designation under the EU Digital Markets Act for large platforms that control key digital services and must comply with additional obligations.

MetaGoogleTikTok

GDPR

Legal & Regulatory

The General Data Protection Regulation — the EU's comprehensive data protection law governing how personal data is collected, processed, and stored.

All

Geo-Targeting

Ad Tech & Metrics

Targeting ads to users based on their geographic location, including country, region, city, or radius targeting.

All

Health Claims

Industry-Specific

Advertising claims about health benefits of products, heavily regulated by the FTC, FDA, and all major ad platforms.

All

Impression Fraud

Enforcement & Risk

Artificially generating fake ad views to inflate metrics or defraud advertisers in CPM-based campaigns.

All

Impressions

Ad Tech & Metrics

The number of times an ad is displayed on a screen, regardless of whether it was actually seen or clicked.

All

Income Claims

Industry-Specific

Advertising claims about potential earnings or income, heavily regulated and frequently rejected by ad platforms.

All

Influencer Marketing

Content & Creative

Marketing through partnerships with social media influencers who promote brands to their followers, requiring proper disclosure.

All

Invalid Traffic

Enforcement & Risk

Non-human or fraudulent ad traffic that doesn't represent genuine user engagement, classified as general (GIVT) or sophisticated (SIVT).

All

Know Your Customer

Legal & Regulatory

Verification processes used to confirm the identity and legitimacy of advertisers, increasingly required by platforms and regulations.

All

Landing Page Policy

Platform Policy

Platform rules governing the destination pages that ads link to, including requirements for functionality, content, and user experience.

All

Lead Generation

Ad Tech & Metrics

The process of collecting potential customer information through ads, subject to data collection and consent requirements.

All

Legitimate Interest

Privacy & Data

A legal basis under GDPR for processing personal data when an organization has a justified business reason that doesn't override the individual's rights.

All

LegitScript Certification

Industry-Specific

A third-party verification required by Google and other platforms for advertisers in healthcare, pharmacy, and addiction treatment categories.

GoogleMeta

LGPD

Legal & Regulatory

Brazil's General Data Protection Law — a comprehensive privacy regulation modeled on GDPR governing personal data processing.

All

Lookalike Audience

Ad Tech & Metrics

A targeting audience created by platforms that matches characteristics of an advertiser's existing customers to find similar potential customers.

MetaTikTokLinkedInSnapchatPinterest

Machine Learning

Ad Tech & Metrics

AI-powered systems used by ad platforms for automated ad delivery optimization, content moderation, and policy enforcement.

All

Manual Review

Enforcement & Risk

Human review of ads by platform policy specialists, triggered by automated flags, appeals, or random sampling.

All

Meta Advantage+

Platform Policy

Meta's suite of AI-powered ad automation tools that optimize targeting, creative, and placement with minimal advertiser input.

Meta

Misleading Claims

Enforcement & Risk

Advertising statements that deceive or are likely to deceive consumers, prohibited by both regulations and platform policies.

All

Native Advertising

Content & Creative

Paid content designed to match the look, feel, and function of the surrounding non-paid content on a platform.

All

Negative Keyword

Ad Tech & Metrics

A keyword that prevents ads from showing when specific search terms are used, important for brand safety and compliance.

Google

Opt-In

Privacy & Data

A consent model requiring users to actively agree before their data is collected or they receive marketing communications.

All

Opt-Out

Privacy & Data

A model where data collection or marketing occurs by default, and users must actively choose to stop it.

All

Opt-Out Signal

Privacy & Data

A browser or device-level signal indicating a user's preference not to be tracked, such as Global Privacy Control (GPC).

All

Performance Max

Platform Policy

Google's AI-driven campaign type that serves ads across all Google surfaces using automated targeting, bidding, and creative.

Google

Pharmaceutical Advertising

Industry-Specific

Advertising for prescription drugs, OTC medications, and medical devices, subject to FDA regulations and strict platform restrictions.

All

PIPEDA

Legal & Regulatory

Canada's federal privacy law governing how private-sector organizations collect, use, and disclose personal information in commercial activities.

All

Pixel

Ad Tech & Metrics

A piece of code installed on a website that tracks user actions and sends data back to an ad platform for measurement and optimization.

All

Policy Strike

Enforcement & Risk

A formal warning recorded against an ad account for policy violations, where accumulation leads to increasingly severe penalties.

All

Policy Violation

Enforcement & Risk

Any breach of a platform's advertising policies, ranging from minor formatting issues to serious prohibited content violations.

All

Political Advertising

Platform Policy

Ads related to elections, political candidates, or social issues, subject to verification requirements and special transparency rules.

MetaGoogleLinkedInXSnapchat

Privacy by Design

Privacy & Data

An approach that integrates privacy considerations into the design and development of systems, products, and business practices from the outset.

All

Privacy Policy

Privacy & Data

A legally required document disclosing how an organization collects, uses, shares, and protects personal data.

All

Privacy Sandbox

Privacy & Data

Google's initiative to replace third-party cookies with privacy-preserving APIs for advertising targeting and measurement.

Google

Programmatic Advertising

Ad Tech & Metrics

Automated buying and selling of digital advertising through real-time auctions and algorithmic decision-making.

Google

Programmatic Guaranteed

Ad Tech & Metrics

A buying method that uses programmatic technology to execute direct deals with fixed pricing and guaranteed inventory.

Google

Prohibited Content

Platform Policy

Content categories that are completely banned from advertising on a platform, with no exceptions or appeal options.

All

Quality Score

Ad Tech & Metrics

Google Ads' 1-10 rating of keyword, ad, and landing page quality that affects ad ranking and cost-per-click.

Google

Reach

Ad Tech & Metrics

The total number of unique users who saw an ad at least once during a campaign period.

All

Real-Time Bidding

Ad Tech & Metrics

An auction-based system where ad impressions are bought and sold in milliseconds as a webpage or app loads.

Google

Regulatory Sandbox

Legal & Regulatory

A controlled environment where businesses can test innovative products or services under relaxed regulatory requirements.

All

Relevance Score

Ad Tech & Metrics

A platform-assigned quality metric that rates how well an ad resonates with its target audience, affecting delivery and costs.

All

Remarketing

Ad Tech & Metrics

Showing ads to users who have previously interacted with your website, app, or content. Also known as retargeting.

All

Responsive Ad

Content & Creative

An ad format where multiple headlines, descriptions, and images are provided and the platform algorithmically combines them for optimal performance.

GoogleMeta

Restricted Audience

Platform Policy

An audience segment that platforms limit or prohibit advertisers from targeting due to age, sensitivity, or regulatory requirements.

All

Restricted Content

Platform Policy

Ad content categories that are allowed on platforms but only with specific restrictions, certifications, or targeting limitations.

All

Retargeting

Ad Tech & Metrics

The practice of showing ads to users based on their previous interactions with a brand's digital properties.

All

Return on Ad Spend

Ad Tech & Metrics

The revenue generated for every dollar spent on advertising, calculated as revenue divided by ad spend.

All

SDK

Ad Tech & Metrics

Software Development Kit — code integrated into mobile apps for ad tracking, attribution, and in-app event measurement.

All

Sensitive Advertiser

Platform Policy

An advertiser operating in a regulated or restricted industry that faces additional platform requirements and review processes.

All

Sensitive Categories

Platform Policy

Personal data categories related to health, religion, politics, or sexuality that are restricted for ad targeting under GDPR and platform policies.

All

Server-Side Tracking

Ad Tech & Metrics

Tracking method where conversion data is sent from the advertiser's server rather than the user's browser, bypassing client-side restrictions.

All

Shadowban

Enforcement & Risk

An unofficial reduction in content or ad visibility by a platform without explicit notification to the account holder.

All

Social Proof

Content & Creative

Marketing evidence that others have purchased, used, or endorsed a product, including reviews, ratings, and user counts.

All

Spark Ads

Platform Policy

TikTok's native ad format that lets brands boost existing organic posts from their own account or a creator's account.

TikTok

Special Ad Categories

Platform Policy

Platform-designated ad categories (housing, employment, credit, politics) with restricted targeting to prevent discrimination.

MetaGoogle

Standard Contractual Clauses

Legal & Regulatory

EU-approved legal frameworks for transferring personal data from the EU to countries without adequate data protection levels.

All

Substantiation

Industry-Specific

The requirement to have evidence supporting advertising claims before making them, enforced by the FTC and platform policies.

All

Supply Path Optimization

Ad Tech & Metrics

The practice of evaluating and selecting the most efficient, transparent, and brand-safe paths to purchase ad inventory.

Google

Testimonial

Industry-Specific

A statement from a customer or user about their experience with a product, subject to FTC guidelines and platform policies on authenticity.

All

Third-Party Data

Privacy & Data

Data collected by entities that have no direct relationship with the user, purchased or aggregated for advertising targeting.

All

Tobacco Advertising

Industry-Specific

Advertising for tobacco products, broadly prohibited across all major ad platforms and heavily regulated by law in most countries.

All

Trademark Infringement

Enforcement & Risk

Unauthorized use of another company's trademark in advertising, which can result in ad rejection and legal action.

All

Transparency Report

Platform Policy

Regular reports published by platforms detailing content moderation actions, government requests, and advertising enforcement statistics.

All

Two-Factor Authentication

Platform Policy

A security measure requiring two verification methods to access an account, increasingly required by platforms for ad account access.

All

User-Generated Content

Content & Creative

Content created by users or customers that brands repurpose for advertising, requiring proper permissions and compliance review.

All

UTM Parameters

Ad Tech & Metrics

URL tags added to ad destination links that track the source, medium, campaign, and other attributes of incoming traffic.

All

Video Ad Specifications

Content & Creative

Platform-specific requirements for video ad format, dimensions, duration, file size, and content standards.

All

Viewability

Ad Tech & Metrics

A metric measuring whether an ad was actually visible to a user, based on industry standards for pixels-in-view and display duration.

All

Weight Loss Advertising

Industry-Specific

Advertising for weight loss products and services, facing strict platform restrictions on claims, imagery, and targeting.

All

Whitelisting

Content & Creative

The practice of running ads through a creator's or influencer's account handle with their permission, commonly used in influencer marketing.

MetaTikTokYouTube

Stay Ahead of Policy Changes

Platform policies change constantly. Track every update across Meta, Google, TikTok, LinkedIn, and more with real-time alerts.

Open Policy Tracker