The term START FOR JET, FAN OR CHARGE can be summarized as 'Turbo', which is a five-letter word. Turbo is a type of forced induction system used to increase the power output of an engine. It works by forcing additional air into the combustion chamber, allowing for more fuel to be burned and increasing the power output of the engine. Turbochargers are commonly used in cars, trucks, and aircraft, as well as in industrial applications such as generators and pumps.