Travel is the transport of people on a trip/journey or the process or time involved in a person or object moving from one location to another. An airline provides air transport services for passengers or freight, generally with a recognized operating certificate or license. The act of travel(l)ing; a series of journeys; an account of one's travels; The activity or traffic along a route or through a given point; The motion of a piece of machinery; The length of a mechanical stroke; To be on a journey, often for pleasure or business and with luggage.