Facebook is all about staying in touch with friends. Right after you log into Facebook, check out which of your friends has a birthday coming up, the requests you've received, and what your friends are up to.

Check Your . . . What It Is How to Do It
News Feed A continuous stream of updates about your friends’ activities on and off Facebook. Look at the Home page — News Feed flows down the wide center column with stories and posts from your friends.
Upcoming Birthdays and Events A list of upcoming events and friends’ birthdays occurring today. Check the top of the right side of the Home page. For birthdays, only the names of those friends who have listed their birthdays show up.
Inbox Messages from friends or other people on Facebook. Click the Messages icon in the big blue bar on top of any Facebook page to see recent messages between you and friends.
Friend Requests Friends asking to connect with you. Click the Friend Requests icon in the blue bar on top of any Facebook page to open the Friend Requests window. Click confirm or delete request to respond to pending requests.
Notifications A list of actions that have been taken on your timeline or your posts: things like comments, replies to comments, photo tags, likes, and so on. Click the Notifications icon in the big blue bar on top of any Facebook page to open your Notifications. The list that opens shows all your recent notifications, click on any one to go to the content or part of Facebook it is talking about.