Marking an email with a flag in an email client or webmail interface designates it for special attention. This action essentially highlights the message as one requiring follow-up, action, or further review. For example, a user might flag an email containing a request from a client to ensure it is addressed promptly and doesn’t get lost in the general inbox traffic.
The function provides a visual reminder and organizational tool. Its benefits lie in enhancing productivity and improving email management. Historically, systems relied on physical flags or paper clips to prioritize documents; this digital equivalent offers similar functionality within the electronic realm. The practice allows users to visually prioritize messages and reminds them of important actions that need to be taken.