Glossary

The Meta ads glossary.

Plain-English definitions of the terms that actually move performance, from hook rate to Post-ID to break-even ROAS.

Hook Rate

The percentage of viewers who watch the first 3 seconds of your video ad.

Thumbstop Rate

A measure of how effectively a creative stops users from scrolling past it.

Post ID (object_story_id)

A reference to an existing Meta post used to run ads that keep their likes and comments.

Advantage+ Creative

Meta's automatic creative enhancements, music, filters, text edits, auto-crop, and more.

asset_feed_spec

The Meta API structure that powers flexible and multi-placement ads.

CBO vs ABO

Campaign Budget Optimization vs Ad Set Budget Optimization, where the budget lives.

Learning Phase

The period where Meta optimizes delivery before performance stabilizes.

Creative Fatigue

The decline in ad performance as an audience sees the same creative too often.

Dynamic Creative

An ad type where Meta auto-combines multiple assets and copy to find the best mix.

ROAS

Return on ad spend, revenue generated per dollar of ad spend.

CPA

Cost per acquisition, what you pay for each conversion.

UTM Parameters

Tags added to a URL so analytics tools can attribute traffic to a specific ad.

Bulk Ad Launcher

Software that creates many ads at once through an advertising API instead of building each ad by hand.

Bulk Ad Upload

Creating multiple ads in one operation by importing creatives and settings together, rather than one ad at a time.

Creative Testing

Running multiple ad creatives against the same audience to learn which concepts, hooks and formats actually drive results.

Ad Naming Convention

A consistent pattern for naming ads so campaigns stay readable and reporting can be grouped months later.

Meta Marketing API

Meta's official programmatic interface for creating and managing ads, campaigns and audiences.

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