Ключевые слова: 2018, activity, administration, agenda, appointment, business, calendar, calender, concept, date, deadline, diary, do, event, idea, interval, leave, list, management, meeting, memo, monthly, newyear, note, organization, organize, organizer, paper, pen, people, plan, planner, remind, reminder, schedule, time, timeline, timetable, travel, trip, vacation, work, workplace, year,