At the bottom or side of your screen, you'll see a row of apps,
called the shelf, and your account picture. You can change which apps
are included and bookmark webpages.
Next to your account picture, you can see notifications, check your Chromebook’s battery life, raise or lower the volume, or change other settings.
If you go to the same webpage often, you might want to pin it to your desktop.
You can change the position of the row of apps, also called the shelf:
To hide the shelf and status area, right-click the shelf and select Autohide shelf. When they're hidden, move the pointer to that side of the screen to see your apps, bookmarks, and account picture.
To stop hiding the shelf, right-click the shelf and uncheck Autohide shelf.