S Pen; Using The S Pen - Samsung Galaxy Note Pro User Manual

S Pen

The S Pen is a stylus that assists you in performing different
functions. By using the Pen button, you can minimize having
to switch between touch and pen input.
S Pen Button
S Pen Tip
S Pen button: Perform advanced S Pen actions.
S Pen tip: Perform basic S Pen actions.

Using the S Pen

The included S Pen can be used to easily select items or
perform functions. Actions using the S Pen with the button
pressed provide additional conveniences, such as screen
capture.
Pull out the S Pen from the slot to use it.
Understanding Your Device 20