Media Buying Terminology (2026)
: A ratio of revenue earned for every dollar spent on advertising. Buying Methods
: The total cost divided by the number of conversions (e.g., a sale or sign-up).
These terms measure the breadth and depth of how your ads are seen.
: The total number of times an ad is displayed to users.
Understanding media buying starts with mastering its unique language. This guide breaks down the essential terminology across general metrics, buying methods, and platform-specific channels. Core Delivery Metrics
: An invitation-only auction for premium publisher inventory. Digital & TV Inventory Inventory : The total ad space available for sale.