Link to all the icons :
https://www.svgrepo.com/svg/263684/user-profile - profile
https://www.svgrepo.com/svg/513173/book-opened - book
https://iconscout.com/free-icon/message-1767814 - Messages
Home(Cross check) - Home icon by Icons8
Community - https://images.app.goo.gl/SEGV4YbmRL9Cx7bN8
Connections - Picked up from Linkedin's homepage.