Ключевые слова: accuracy, arrows, background, begin, business, clocks, color, concept, countdown, day, deadline, design, different, duration, efficiency, end, finish, future, goal, hour, late, management, many, measuring, minute, modern, morning, new, object, passing, past, patience, period, planning, punctuality, rationality, second, start, target, task, time, timer, wait, wall,