Match the following terms to their definitions.

1. Including other accounts in your Tweet by using the @ sign followed directly by their username
2. A series of connected Tweets from one person. You can provide additional context, an update or additional commentary on a topic by connecting multiple Tweets together.
3. Allows you to add your own commentary along with a photo, GIF, or video to someone else’s Tweet and share it with your followers.
4. Lets people know that an account of public interest is authentic.