Ключевые слова: academic, announcement, appointment, back, backdrop, background, black, board, calendar, cells, chalk, chalkboard, class, classroom, college, course, day, design, drawing, drawn, education, equipment, event, exercise, holiday, homework, learning, lesson, meeting, note, numbers, object, organizer, plan, planner, reminder, schedule, school, student, study, task, template, timetable, wallpaper, weekly, white, work, write,