Ключевые слова: anniversary, appointment, archives, background, black, blackboard, board, business, calendar, chalk, chalkboard, closeup, concept, conceptual, creative, daily, date, day, deadline, decision, education, future, history, holiday, idea, letter, management, message, metaphor, moment, nobody, notice, now, opportunity, past, plan, planning, schedule, sign, success, symbol, text, texture, time, today, tomorrow, urgency, white, word, yesterday,