How do I save drawings and notes on a Mac?

• You can save an image to the Mac's Desktop by doing one of the following:
  • Save an entire screen:
  Press the Apple/Command + Shift + 3 keys on the Mac keyboard.
  • Save a selection:
  Press the Apple/Command + Shift + 4 keys on the Mac keyboard and then click and drag the crosshair to select the area you want to capture.