Ключевые слова: arm, author, background, black, blank, business, closeup, contract, correspondence, creativity, document, draw, drawing, education, empty, finger, hand, handwriting, holding, human, ink, isolated, letter, male, message, note, object, office, one, paper, pen, pencil, people, person, plan, school, sign, signature, sketch, studying, text, texture, thinking, thumb, white, write,