More about it:
The feed indicates the “Explore” or “Discover” page that shows a curated selection of content from various sources, including popular accounts and trending topics.
The feed is essentially the hub of all the trendy content being shared on the platform. It’s the place where you can keep tabs on popular accounts, catch up on the latest trends, and discover new accounts to follow.
Moreover, the feed term also refers to the stream of posts you see when you visit your own profile. It is your personal feed consisting of all the posts you have uploaded.
Below is an Instagram User’s feed that shows a post from the account user follows!