Facebook is a social website that allows its users to communicate with friends and family members through writing messages, uploading videos, and photos. Facebook is used by people across the world. Facebook users can also comment on their friends’ photos.
Log in to your Facebook account.
Access the picture you would like to comment on. You can do this by going to the user’s page, clicking on “Picture Albums,” and finding the picture you want to leave the comment on.
Write your comment in the “Comment” box, and then click “Comment.”