A Retweet is a repost of another Twitter user's tweet on your own profile. It's a great way to spread discussions, news, and discoveries easier. In addition to sharing other’s Tweets. Here's how to Retweet on Twitter.
Conversations on Twitter are replies and mentions you have with others in your own or their Tweets. If you'd like to receive push notifications for conversations on your mobile device, make sure your settings are on.
Your Twitter profile shows the world what kind of person you are. You can pin one of your own tweets to the top of your profile page. The pinned tweet will always be displayed on your profile at the top until you unpin it.