Air charter. Air charter is the business of renting an entire aircraft (i.e., chartering) as opposed to individual aircraft seats (i.e., purchasing a ticket through a traditional airline). While the airlines specialize in selling transportation by the seat, air charter companies focus on individual private aircraft and itineraries, urgent or time-sensitive cargo, air ambulance service, and other forms of ad hoc air transportation.
A political machine is a political organization in which an authoritative boss or small group commands the support of a corps of supporters and businesses (usually campaign workers), who receive rewards for their efforts.
an apparatus consisting of interrelated parts with separate functions, used in the performance of some kind of work: a sewing machine. 2. a mechanical apparatus or contrivance; mechanism. 3. Mechanics. a device that transmits or modifies force or motion.