Ключевые слова: 2021, ahead, annual, appointment, balls, beginning, business, calendar, christmas, date, day, design, diary, economy, education, event, important, management, marker, marketing, month, monthly, new, next, note, number, office, organizer, page, paper, plan, planner, planning, pointing, presentation, prognosis, red, reminder, sale, start, success, table, time, week, wish, work, writing, year,