Ключевые слова: accuracy, action, background, black, business, clock, color, concept, copy, countdown, counting, crystal, deadline, expire, finish, flowing, glass, hour, hourglass, idea, life, light, management, measure, measurement, measuring, minute, nobody, object, passing, past, patience, period, process, rationality, running, sand, sandclock, sandglass, second, space, start, text, time, timer, wasting, white,