Meta Ads Glossary

    Every Meta Ads term a buyer, strategist, or founder runs into — from Pixel and CAPI to Advantage+, CBO, cost cap, and lookalikes.

    Full definitions

    Quick reference

    Dark Post

    Meta Ads

    Unpublished page post used only as a paid ad — not on the timeline.

    Seed Audience

    Meta Ads

    Source list (customers, leads) used to build lookalikes.

    Understand the terms. Now measure them.

    Free calculators for the core metrics — ROAS, CPM, LTV:CAC, MER, incrementality.

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