Ключевые слова: agenda, appointment, attraction, background, business, businessman, busy, button, calendar, click, concept, conference, contract, date, day, diary, education, entertainment, event, exam, future, holding, important, internet, interview, investment, knowledge, management, meeting, month, organizer, partnership, party, plan, preparation, presentation, question, quiz, reminder, sale, schedule, social, student, technology, text, time, upcoming, virtual, wooden, word,