It's a language used by deaf and mute people, who can't hear or speak. They move their hands to transmit messages their interlocutor can see.
It's sign language
15
It's the action of writing using the keys on a keyboard of the computer.
Type / typing
15
It's a type of animated film or series you can watch on TV or any other device with a screen. The characters are drawings that give the illusion of movement.