You can leave comments on a record. Comments are useful to communicate changes, elaborate on issues, and collaborate with other people who have access to the base.
To leave a comment on a record, click on a record, then click on the record activity button in the top right corner.
To leave a comment, click on the dialog at the bottom of the page that says "Add comment," type whatever you like, and click "Send."
You can also tap the "@" symbol to @mention your fellow team or base collaborators. @mentioning them will send them notifications.
@mentioning collaborators will send them notifications. Notifications will show up on the top bar of the home screen, on the bell icon in the top right.