Ключевые слова: 31, 31 december, agenda, appointment, background, business, busy, calendar, calender, celebration, closeup, concepts, crowded, cube, date, day, deadline, december, design, desk, diary, document, event, excess, full, holiday, horizontal, important, meeting, memories, month, monthly, note, number, office, organization, organizer, page, personal, plan, planning, reminder, schedule, space, table, today, week, white, winter, year,