The term CAR ON A TRACK can be summarized as a RACER, which is a five-letter word. A RACER is a person who competes in a race, usually involving cars on a track. Racers are typically professional drivers who compete in motorsport events such as Formula One, NASCAR, and IndyCar. They are also often involved in drag racing, rally racing, and other forms of motor racing. Racers must have excellent driving skills and knowledge of the track in order to be successful.