Twitter users communicate through short posts called tweets that must be under 140 characters, they can choose to follow or unfollow other users to subscribe or unsubscribe to their tweets, and they can retweet or direct message each other privately.

1. Talk tweets: posts made by twitter users, which must be under 140 characters un/follow: un/subscribe to a particular users’ twitter posts RT: Retweet: tweeting content posted by another user DM / direct message: send a direct private message to another twitter user tweeps: friends on twitter tweople: people who tweet tweetup: meeting a twitter user/s in the real world