A key that is pressed on a keyboard in combination with a letter or digit key to perform some function. The modifier key is held down while another key is pressed one or more times. For example, a ...

Even if you’ve used the Mac for decades, I suspect you have never fully understood the Fn key. Not helping is the fact that Apple sometimes calls it the Function key, but all Mac keyboards already ...

A set of input keys on a personal computer or computer terminal. Along with the standard letter keys on a typewriter, computer keyboards have keys for cursor movement and entering commands as outlined ...