Ключевые слова: accuracy, activity, adult, app, beach, chronometer, clock, competition, countdown, counting, data, display, exercise, finger, fitness, function, hand, hold, information, instrument, man, measure, measurement, minute, mobile, mobility, people, person, phone, quick, race, rollerblades, rollerblading, rollerskating, skater, skates, skating, smartphone, speed, sport, stopwatch, telephone, time, timekeeper, timescale, trail, urban, walk path, woman,