A console controller is a handheld device used to play video games on a game console. It typically has buttons and joysticks that allow players to control characters and perform actions in the game. Full definition
The hero character is controlled by another player with console controller and traditional display screen. (gamesauce.biz)
Well... is there any reason why any game that can be played on a standard console controller couldn't be done on a Steam one? (gameological.com)
Because of the Switch's portable nature, its buttons are smaller than what you get from a standard home console controller and they have less travel as well. (stuff.tv)