Chat Bubble. This icon refers to comments. Paper Plane Icon. Consider this as a send button. Bookmark. This icon lets you save or bookmark the post to your collections. Person Icon. The person icon on a post means that someone is tagged in the post.
A small heart icon will appear on Instagram posts and comments that you can tap to like that post or comment. Liking a message necessitates having a direct messaging conversation with another user, and the heart icon isn't visible until after the message has been liked.