Disconnect all peripheral devices and remove all USB devices and SD media cards.
Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds to drain all residual power and restore default startup settings.
The answer is the title bar becuase it would tell the name of the project or something else such as when you are using Words then it would tell you the name of the title of the document you are doing.