Bell notification center notifies you about important updates made to your goals, documents and talks you are taking a part in.
Pay attention to notifications counter in a red bubble over Bell icon on the top panel. It indicates how many new unread messages appeared in your notification center.
Hover bell icon to view a list of notifications, scroll down to browse through the full list of items.
Note that message has gray background till the moment you mark it "read" and color is changed to white. Click on a small circle at the right top corner of a message to mark it read or unread again.
You can also mark all unread notifications as read using quick link "Mark all as read" on the top of notification panel.
NOTE: Click on the notice to go directly to an updated item.