Ключевые слова: 21, aim, backdrop, background, bright, business, celebrate, color, communication, date, day, event, forget, future, goal, holiday, inform, information, letter, list, may, memo, memorandum, memory, memory day, message, modern, national, national memorial day, note, notes, notification, paper, papers, pink, planning, poster, remember, reminder, schedule, sheet, sticker, sticky, text, timetable, todo, week, words, work, written,