Ключевые слова: airport, architectural, arrow, arrowheads, background, black, business, cinematic, city, color, communication, concept, connection, copy, crt, design, direction, directional, door, emergency, entrance, escape, exit, film, fire, floor, gateway, graphic, icon, indoors, information, interface, interior, label, light, line, metro, monorail, mrt, platform, public, railway, safety, shape, sign, simple, simplicity, space, stand, station, style, subway, symbol, terminal, train, transportation, travel, underground, urban, waiting, way, white,