The term MOTOR can be used to describe a variety of different things. A MECHANISM is a DEVICE consisting of interrelated parts with separate functions that contribute to a particular result. A DEVICE is an instrument or apparatus designed to serve a specific purpose or perform a specific function. A MACHINE is a DEVICE consisting of fixed and moving parts that modifies energy in order to perform a certain task. TRAVEL is the act of moving from one place to another. DRIVE is the act of operating a motor vehicle. An ENGINE is a MACHINE that converts energy into useful mechanical motion. RIDE is the act of sitting on and being carried along on a vehicle, animal, or person. A CAR is a motor vehicle with four wheels, typically powered by an internal combustion ENGINE. An INN is a commercial establishment providing lodging, food, and drink. TOUR is a journey or trip for pleasure, education, or business.