Facebook, Favicon, Feature image, feedback

Facebook
Literally Book with Faces and started out as a book with passport photographs.
Facebook is a popular destination for users to set up their own personal account, to connect with friends, share pictures, share movies, talk about what you're doing, etc.

Favicon
A small icon found in the URL address bar, and next to bookmarks.

Feature image
A special added picture to a page or post, which often will be used by Social Media.

Feedback
Information which is used for improvement. When you are giving feedback according to a website, you have to check multiple pages and posts, links and pictures. Give your opinion in an advisable way.

Give 2 feedbacks to gain 1 :)
https://my.wealthyaffiliate.com/website-feedback