Ключевые слова: abstract, background, cell, cellphone, change, changing, chronology, concept, countdown, date, day, deadline, evaluating, future, hand, history, hour, line, management, minute, mobile, motion, now, past, pause, phone, planning, pppoztahle, present, progress, red, schedule, screen, second, smart, smartphone, stop, tablet, technology, telephone, text, time, timeline, timer, today, tomorrow, word, year, yesterday,