A 2-second continuous video play is when someone views a video for 2+ seconds continuously, usually with at least 50% of the video in view.
A 3-second video play is recorded when someone views a video for 3 seconds or views 97% of a video that is less than 3 seconds long.
Breakdown is a way to get insights into your ad performance related to time, delivery, action, or dynamic creative element.
The Clicks (All) metric includes all clicks on your Facebook ad (link clicks, clicks on media, post reactions, comments, shares, and more).
Facebook reports on CPC (All) and CPC (Link Click). The first refers to all clicks and the second on all internal and outbound links.