mentionname
Mention name is a term used in online communication to refer to the user identifier that appears in a message to reference a specific user. It is most commonly seen on social networks, chat apps, forums, and collaborative tools that support mentions. The exact form varies by platform, but many systems display an at-sign followed by a username (for example, @Username) or provide a clickable link to the referenced profile. In some contexts the phrase may also refer to the display name or handle that identifies the person, as distinct from their real name.
Function and usage: Mentions serve to direct attention, facilitate replies, and trigger notifications for the targeted
Technical and design considerations: Systems map a mention name to a unique user account and must handle