Can use Utilities like Print Center / Disk Utility
Can create new folders outside of home folder
Decides who gets to have accounts on Mac
This is NOT a super user account (root)
The Administrator account can not see all files and folders on the Macintosh; there are still several restrictions and safety mechanisms to prevent the Administrator from damaging the operating system.
Press spacebar after hitting Shift-Command-4 (region capture) and you'll get a camera icon and the underlying window highlighted in blue. Move the camera over another window and the blue highlight shifts to that window. Click the mouse and you capture the highlighted window.
Additionally, holding control (while using either Shift-Command-3 or Shift-Command-4) will result in the image being saved to the clipboard instead of to a file.