Ключевые слова: 2021, 3d, 3d rendering, agenda, annual, appointment, arrow, background, banner, business, calendar, card, carnival, celebration, circle, circular, compass, date, december, decoration, decorative, direction, event, flag, future, geometric, guidance, guide, important, lines, memo, national, new, note, number, organizer, party, plan, planner, poster, presentation, reminder, round, schedule, season, shape, sphere, switzerland, time, year,