Ключевые слова: announcement, back, banana, blackboard, blank, board, book, business, calendar, chalk, classroom, concept, copyspace, cup, day, do, drawing, duty, education, empty, event, holiday, homework, learning, list, meeting, month, monthly, note, notepad, organizer, pencil, plan, planner, post, reminder, schedule, scheduler, school, solution, sticky, supplies, task, timetable, top, training, view, week, work,