According to the next paragraph, "Facebook provided about how the ad was targeted, and when the ad was shown to a user, among other things.". Haven't used FB i

According to the next paragraph, "Facebook provided about how the ad was targeted, and when the ad was shown to a user, among other things.". Haven't used FB in ages but I assume it's like "why am I seeing this" hint in youtube recommendations (which usually says "because you watched video x").