ENTREPRENEURSHIP

Detailed explanation-1: -aviation, the development and operation of heavier-than-air aircraft. The term military aviation refers to the development and use of military aircraft, while the term civil aviation refers to all nonmilitary aviation, such as air transportation provided by airlines or the carrying of cargo by commercial aircraft.

Detailed explanation-2: -airplane, also called aeroplane or plane, any of a class of fixed-wing aircraft that is heavier than air, propelled by a screw propeller or a high-velocity jet, and supported by the dynamic reaction of the air against its wings.

Detailed explanation-3: -Aviation includes the activities surrounding mechanical flight and the aircraft industry. Aircraft includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air craft such as hot air balloons and airships.