Ключевые слова: abstract, appreciate, background, banner, billboard, black, blackboard, board, canvas, card, chalk, chalkboard, children, class, classroom, closeup, concept, day, design, dirty, drawing, education, frame, grateful, greeting, grunge, handwriting, learning, lettering, message, note, notice, noticeboard, old, page, rubbed, school, scratched, smudged, students, surface, teachers, texture, thank, thankful, wall, web, white, word, you,