Learn Glossary

The words, explained.

Trading words and protocol words, in plain language.

A2A
Agent-to-agent: a transport that lets two agents exchange messages directly.
adagents.json
A file on a publisher’s website listing the selling agents allowed to sell its inventory.
AdCP
Ad Context Protocol: the open standard buying and selling agents use to talk to each other.
brand.json
A file describing an advertiser’s identity, read by sellers.
Brief
What a buyer wants: markets, flight, formats, budget, audiences by content, exclusions.
Buying agent
Software that acts for an advertiser or agency. Skopa is Oderra’s buying agent.
CPA
Cost per action: paid when a defined event happens.
CPC
Cost per click.
CPCV
Cost per completed view, for video and audio.
CPM
Cost per thousand impressions.
CPP
Cost per point: paid per rating point of a target audience.
CPV
Cost per view.
DAAST
Digital Audio Ad Serving Template: the standard for audio ads.
DOOH
Digital out-of-home: screens in public places.
FAST
Free ad-supported streaming TV channels.
Flat fee
One price for a placement or a period, whatever the volume.
Flight
The dates a campaign runs.
Floor price
The lowest price a seller accepts. A selling agent never proposes below it.
Make-good
Extra delivery proposed by the seller to close a shortfall.
MCP
Model Context Protocol: lets assistants and tools call an agent directly.
Pacing
How delivery is progressing against the plan over time.
Plan
The lines a buyer and a seller agree on: channel, placement, flight, volume, price.
Product
A packaged piece of inventory a seller offers: properties, formats, pricing, availability.
Property
Something that carries ads: an app, a channel, a site, a podcast, a screen.
Selling agent
Software that acts for a publisher or media owner. Fanera is Oderra’s selling agent.
Shared record
The confirmed plan and its delivery, read by both sides.
Shortfall
Delivery below plan. Shown first, with a proposed make-good.
VAST
Video Ad Serving Template: the standard for video ads.
vCPM
Cost per thousand viewable impressions.