[ Good thing Geto is used to people who look annoyed on a regular basis. He watches the video with amusement, still grinning when he responds. ]

Do you not have airplanes in your world? [ His tone is polite, even if his grin isn't. ] To answer your question, they are vehicles of mass transportation capable of moving people through the air at high speeds. It lets people travel across continents and oceans quickly.