You will find this concept in Social media metrics. It is necessary to understand and distinguish what happen in the pages or accounts you will analyze.
Facebook, Instagram and LinkedIn have 2 ways to show its metrics:
Social media Page Metrics
The page metrics has to do with geneal indicators and behavior according who users visiting the page or profiles. Here, we can analyze metrics like new followers, reached users, impressions, check ins, etc. Rememeber that data is generated to the page only.
Social media Post metrics
Post metrics are indicators you can get from publications you made. You can count impressions, reached users, interactions as likes, comments, shares, even clics and photo views. In post metrics, you can’t watch new followers or clics on your profile’s web link.
It’s very important to understand this because you must choose correct metrics to build your dashboards or reports.