A visual indicator, often appearing as a filled circle, signifies unread messages within a mobile operating system’s messaging application. It typically sits adjacent to a conversation thread in a list of message exchanges. For instance, if a user receives five text messages from different contacts, and has not yet opened the application to view them, each contact’s name might have this indicator beside it in the messaging app’s main screen.
The presence of this indicator simplifies communication management for users. It offers a readily accessible visual cue alerting them to the existence of new, unread correspondence. This eliminates the need to manually check each conversation individually for unseen content. Historically, similar indicators have been employed across various digital communication platforms, including email clients and social media applications, to fulfill the same function of highlighting new or unattended notifications.