Ключевые слова: abstract, answer, assistance, background, black, business, challenge, color, concept, connect, connection, conundrum, creative, discount, education, element, faq, finger, frequently, hand, help, idea, incomplete, jigsaw, join, learn, link, logic, logical, metaphor, missing, object, part, piece, problem, puzzle, service, sign, solution, solve, success, support, symbol, text, thinking, top, view, white, wood, wooden,