Here I mention profile Instagram engagement metrics:
It measures how many unique numbers of users have seen your Instagram content(photo, video, story, reels, or IGTV)
It represents the total amount of times your content has been displayed.
When a user finds one of your posts out the wild & wants to know more about your brand, they turned to your profile first
4-Followers growth metrics:
These metrics show you the ratio between gained followers & the lost ones