cost

In Google Ad Grants, cost can refer to several things, including:

Daily budget – The average amount of money you’re willing to spend each day on an ad campaign.
Cost per click (CPC) – The average cost of each click on your ad.
Cost per conversion – The average cost of each conversion.
Served cost – The cost of all the clicks or impressions a campaign receives.
Billed cost – Provides more detailed information about daily costs at the campaign or account level.