notification
/ˌnəʊtɪfɪˈkeɪʃən/noun
An alert or message that a device or app shows to tell you about something, such as a new email or update.
Example sentence
- “I turned off notifications on my phone so I could focus on studying.”
'Turn off notifications' has become a stock phrase of digital life; the formal sense, an official announcement, survives in legal writing.