Several functions are associated with On/Off:

Tap On/Off to turn your tablet on or off.

Tap On/Off to turn on the screen lock.

Several functions are associated with the Home key:

Tap the Home key to return to the home screen.

Tap the Home key twice to see a list of active applications.

Slide the Silent mode key up or down to turn display rotation or silent mode on of off.

Tap the Top volume key or the Bottom volume key to adjust the volume.

Connect the charger or data cable to the tablet socket and to a power point or your computer's USB port.

Connect the headset to the headset socket.

Point the camera lens at the back of your tablet at the required object to take a picture or record a video clip.

Point the camera lens at the front of your tablet at the required object during a video call.