The number of clicks by an user on advert links to selected destinations or experiences is known as clicks or link clicks. For example this destinations could be Websites, App Stores , Call to Action Button, Maps or Directions, Facebook Fan Page, Videos etc.
An Impression is a count of how many times an instance of an ad entered the viewable area of user's screens for the first time. For example if user see an ad 2 different times in a day, that counts as 2 impressions however if user sees an ad, scrolls down, and then scrolls back up to the same ad, that counts as 1 impression.
A Page Like is the count of your Facebook Fan/ Business Page like attributed to your adverts or generated via your ad. For example it includes both likes that happened directly on the Page and likes that happened on the Page Likes button in your ad.
The number of times your video was watched is known as video views. Video views could be unique or repetitive and could be full or partial.
The approximation of an output value the campaign is designed to achieve
The primary numerical value set as final target of the campaign
The monetary value required to achieve a target of a desired output
Relevant Audience refers to Reach
An end goal or purpose that a business wants to achieve using the campaign
A Facebook page is a public profile specifically created for businesses, brands, celebrities, causes, and other organizations. Unlike personal profiles, pages do not gain "friends," but "fans" which are people who choose to "like" or "follow" a page.