What is the term for a private message between users who follow each other on Twitter?

The term for a private message between users who follow each other on Twitter is "Direct Message." This feature allows users to communicate privately and share information without making the content public to all followers. Only users who follow each other can send and receive these messages, helping to maintain privacy and confidentiality.

In contrast, a Tweet is a public message that can be seen by all followers and is not private. A Retweet is a way to share someone else's Tweet with your followers, again functioning in a public domain. Snapchat Message refers to a feature of a different social media platform, Snapchat, and does not pertain to Twitter. Thus, "Direct Message" is the only option that accurately describes private interactions on Twitter between users who are connected.