The ctrl key is an abbreviation for the control key. it simply allows you to preform a ton of different operations that are recognized by windows as well as the applications. is allows for more flexibility as well
examples:
ctrl+c --> copy whatever is selected to the clipboard
ctrl+x --> copy and then delete selected
ctrl+v --> Paste the content in the clipboard
ctrl+a --> select all
ctrl+z --> undo
Ctrl + X
Like to cut you just press Ctrl+X
Like to cut you just press Ctrl+X
Ctrl Y
Ctrl+page down or Ctrl + page up
Ctrl+Shift+=
With columns already on, use Ctrl-Shift-Return. So hold the Ctrl key and the Shift key together and then press the Return key or the Enter key.
Ctrl-Home will bring you to cell A1 in a worksheet in Excel.
Ctrl+C on windows
Cut - Ctrl x Paste - Ctrl v
If you are asking about short cut key for a new document in MS word then the asnwer is Ctrl + N
Ctrl and X.