Ключевые слова: 2020, 2021, academic, advertising, announcement, beginning, billboard, black, blackboard, board, business, chalk, chalkboard, checklist, child, christmas, class, classroom, college, december, drawing, education, financial, frame, handwriting, happy new year, holiday, institute, internship, learning, lesson, new life, new year, planning, presentation, school, session, student, studying, teacher, text, texture, training, university, white, white background, wood, wooden frame, work, year,