Ключевые слова: activity, airline, business, cancelled, check, clock, concept, deadline, delay, design, dynamic, element, express, fast, flat, flight, flying, graphic, hour, icon, illustration, isolated, line, logo, motion, outline, pictogram, quick, race, running, rush, service, session, sign, simple, single, start, status, stop, stopwatch, symbol, technology, time, timer, training, urgent, watch, workout,