Ключевые слова: aging, antique, business, clock, cloud, concept, dawn, deadline, end, equipment, evening, fall, falling, future, glass, hour, hourglass, idea, instrument, light, loneliness, measurement, measuring, minute, moment, outdoor, passing, past, present, quietness, reflection, running, sand, sandglass, season, sign, silhouette, sky, speed, sun, sunrise, sunset, symbol, time, timer, tool, urgency, watch,