A joystick is a device that is used to control the movement of a cursor or other object on a screen. It is a common tool used in gaming and other applications. Some synonyms for joystick include controller, gamepad, joystick controller, and analog stick. These terms refer to the same type of device and can be used interchangeably. Joysticks are typically used in video games and other interactive applications to provide precise control over the movement of a character or object. They are also used in industrial and military applications to control machinery and vehicles. No matter what term is used, a joystick is a useful tool for precise movement control.