Control + W or ALt + F4
If your keyboard is missing a key, press the key-less spot very lightly when used, or try to place the key back on, or at best get a new keyboard.
You hold down CTRL(at bottom left&right of keyboard) and press C.
It is most commonly the "F1" key.
The Escape key on a keyboard (short for Echappe)
Short Keys
It's not "undrin", it's "undrln". Short for "underline".
To copy text using your keyboard, a person would use the key combination of cntl+c. This would copy a line of text or an image after it has been selected. To paste the object or text, use the combination of cntl+v.
Bbbnnsms
Ctr+C
Command Right arrow for mac
ctrl C For a mac, the apple symbol than C
Why the window key in keyboard?