Ключевые слова: action, antique, background, business, checking, clock, concept, copy, countdown, crystal, deadline, falling, flowing, glass, golden, history, hour, hourglass, idea, instrument, life, management, measure, measurement, measuring, object, old, pass, passing, past, patience, pressure, retirement, run, running, sand, sandglass, schedule, slow, space, speed, text, time, timer, transparent, trickle, urgency, watch, white, yellow,