Ключевые слова: attention, back, background, black, black board, blackboard, board, business, calligraphy, chalk, chalkboard, closeup, communication, concept, conceptual, design, drawing, drawn, education, frame, graphic, greeting, handwriting, handwritten, headline, hello, information, invitation, invite, lessons, letter, management, message, motivation, notice, plan, reception, return, school, sign, success, symbol, text, top view, welcome, white, wooden, word, work, writing,