Uttering a speech command or performing a mouse gesture refers to some of the hardware and software elements of the human-computer interface. The VCR and the mouse are examples of the hardware elements.

You write gesture like this: gesture.

There are more than two types of user interface.

There is a mouse

a keyboard

voice command

gesture command

eye tracking

etc

There are more than two types of user interface.

There is a mouse

a keyboard

voice command

gesture command

eye tracking

etc

Your noble gesture shall not go unrewarded.

That was a noble gesture.

Sir/Ma'am, I am trying to gesture you forward.