1 flight -an instance of travelling by the air;
2 direct flight - a flight with one or more intermediate stops but no change of aircraft;
3 serve - help with food or drink;
4 terminal-station where transport vehicles load or unload passengers or goods;
5 airport bus------no variant;
6 window isle -passageway between seating areas as in a passenger vehicle;
7 check in- reporting your presence at an airport;
8 take off- depart from the ground;
9 land -the act of coming down to the Earth.