Ключевые слова: abstract, air, art, background, beautiful, blue, bubble, business, clean, cleaning, clock, clock face, concept, conceptual, coolness, course, dew, dial, digit, drop, energy, figure, flow, freshness, hour, hour hand, idea, isolated, last, liquid, minute, minute hand, motion, movement, nature, number, numbering, numeral, object, past, reflection, splash, stream, time, time passing, transparent, washing, watch, water, white,