Bookmarks
Bookmarks are a handy feature to save posts. When you are scrolling through your Timeline and you see a post you'd like to revisit, or store for later, you can save it to your personal Bookmarks.
Simple click the Bookmark Icon at the bottom of any post. Done!
Reviewing your Bookmarks
Click on your profile icon, or click the top-right of the screen and select Profile and select Bookmarks from the Tabs at the top.