What term describes a comment that includes another user's handle?

The term that describes a comment including another user's handle is "mention." When you mention someone in a comment or post on social media, you typically use their username or handle prefixed by a special character, like the "@" symbol. This practice not only notifies the mentioned user but also can increase engagement by drawing their attention to the content. Mentions are commonly used for directing a message towards a specific person or acknowledging them in a conversation, making it a vital aspect of social media interaction.

Other terms related to social media interactions may have different meanings. For instance, "tag" often refers to labeling an individual in a photo or video, linking directly to their profile. "Post" refers to any content shared on social platforms but does not necessarily include addressing another user. "Update" typically describes a new piece of information or status shared by the user but doesn't inherently imply interaction with others. Thus, "mention" accurately captures the act of incorporating another user's handle into a comment.