Ключевые слова: abstract, antique, background, black, clock, concept, countdown, deadline, design, drawn, equipment, flat, flow, glass, graphic, hour, hourglass, icon, illustration, instrument, isolated, mark, measure, measurement, minute, moment, object, old, period, pictogram, retro, sand, sandglass, second, sign, silhouette, simple, standard, symbol, time, timepieces, timer, traditional, vintage, wait, watch, white,