Glossary

Find where an objective, bid strategy, audience type or API field lives — and which module explains it. Every entry links to the platform's own documentation.

13 of 97 features

CPM

Cost per thousand impressions: (spend / impressions) × 1000. Reads how expensive the audience is to reach.

Fundamentals metric Beginner reporting Ads Fundamentals

Audience signal

A hint, not a restriction: tells Performance Max where to start looking for converters.

Google Ads audience Intermediate targeting

Customer Match

Uploading hashed customer data to target or exclude known people across Google surfaces.

Google Ads audience Intermediate targeting

Optimised targeting

Lets Google look beyond your selected audiences for people likely to convert.

Google Ads audience Intermediate automation

Performance Max

Cross-inventory automated campaign; you supply assets, audience signals and goals instead of placements.

Google Ads feature Intermediate automation Account & Campaign Structure

Remarketing list

Site or app visitors segmented for re-engagement, built from tag or GA4 data.

Google Ads audience Beginner targeting

A/B test

Split-tests one variable across randomly divided audiences so results are not contaminated by overlap.

Meta tool Intermediate measurement

Ad set level

Where audience, placements, schedule and the optimisation event live.

Meta feature Beginner structure Account & Campaign Structure

Advantage+ audience

Meta treats your targeting inputs as a suggestion and searches beyond them for converters.

Meta audience Beginner targeting

Audience exclusions

Removing existing customers or overlapping audiences so ad sets stop competing with each other.

Meta audience Intermediate targeting

Custom audience

An audience built from your own data: customer list, site traffic, app activity or engagement.

Meta audience Beginner targeting

Detailed targeting

Interest, behaviour and demographic filters. Increasingly a signal rather than a hard boundary.

Meta audience Beginner targeting

Lookalike audience

People who resemble a source custom audience, sized by a percentage of the country's population.

Meta audience Intermediate targeting

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