Ключевые слова: abstract, agenda, announcement, annual, april, april second, background, block, calendar, celebrate, concept, creative, creativity, date, day, deadline, design, diary, event, future event, holiday, important, important date, letters, message, metaphor, month, number, numbers, priority, reminder, save date, seasonal, symbol, text, time, today, traditional, tree, week, word, work, yellow,