Back up my data: Checkmark to backup your settings and application data to Google servers.
Backup account: Sets the account to which you want to backup data.
Automatic restore: Checkmark to allow the tablet to automatically restore the settings and data from your file backup when an application is reinstalled on the tablet.
Factory data reset: Allows you to reset your settings to the factory default values and delete all your data. If you reset the tablet this way, you are prompted to re-enter the same information as when you first started Android.