Ключевые слова: adult, agreement, ai, arm, ballpoint pen, book, business, businessman, closeup, contract, corporate, correspondence, deal, desk, document, education, finance, finger, form, generative, generative ai, hand, handwriting, holding, horizontal, human hand, law, lawyer, legal, letter, male, man, manager, note, office, paper, paperwork, pen, person, professional, secretary, sign, signature, signing, success, text, work, write, writing,