Ключевые слова: advertising, advice, answer, background, be bold, blackboard, blank, board, business, calligraphy, chalk, chalkboard, class, classroom, client, college, color, communication, concept, conceptual, copy, creative, education, graphic, green, header, heading, headline, information, knowledge, learn, message, nobody, presentation, risk, school, script, sign, space, strategy, student, study, teach, text, title, typography, white, word, word art, write,