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
The ctrl key is the Control key. Some software uses the Control key combined with some other key to perform some particular operation. It dates back to old computer keyboards when Control was the only control key available but it has been superseded by the Command and Option keys, and assorted mouse clicking options.
To perform some task quickly. The Ctrl key by itself does nothing, but when you press the Ctrl key plus another key you can perform some useful task. The task depends on the key you press. For example, Ctrl+C will copy highlighted text into the Windows clipboard and Ctrl+V will paste that copied test to the location of the cursor insert point.
ctrl = control
Ctrl + X
Like to cut you just press Ctrl+X
Ctrl Y
Like to cut you just press Ctrl+X
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.