Ключевые слова: activity, art, black, book, classroom, concept, content, crayon, creativity, design, designer, document, doodle, draw, drawing, education, elegance, engraving, etch, etching, graphic, hand drawn, handwriting, hold, icon, idea, illustration, ink, learning, letter, line, linear, message, monochrome, notebook, outline, painted, paper, pen, process, product, school, signature, silhouette, sketch, student, study, symbol, white,