Clicks: The number of times a user clicks on your ad. A click to the comments section of your ad will count as a click in your dashboard.
Impressions: Each time an ad is loaded onto a page and is displayed
CPM: Cost per thousand, or cost per 1,000 impressions. For example, someone who pays $3.00 per CPM will pay $3.00 for 1,000 impressions. Please note as we are on an auction system it is possible that you will pay less than your CPM bid.
CPC: Cost per click, the amount each click cost. Please note that Reddit does not currently support CPC campaigns and the number shown in your dashboard are calculated numbers. You will not be charged per click.
CTRs: Click through rates are a percent value of clicks/impression.
Frequency Cap: The number of times your ad is shown to a unique user every 24 hours.