Ключевые слова: airline, airport, business, checkin, city, connection, crossboard, data, delayed, departure, direction, display, editorial, estimated, flight, flying, frankfurt, gate, guidance, help, holland, information, interior, international, istanbul, lounge, luggage, monitor, navigation, netherlands, organizer, passenger, planning, railroad, schedule, screen, service, sign, station, subway, support, symbol, technology, terminal, text, ticket, time, transportation, travel, ukraine,