Ключевые слова: abstract, advice, ask, assistance, background, blue, business, circular, communication, concept, conceptual, confidential, conflict, confusion, copy space, deception, decisions, design, doubt, education, finger, grade, hand, help, help line, holding, icon, idea, information, inquiry, isolated, mark, message, paper, problem, question, question mark, questionable, red, search, sign, solution, solving, space, think, unknown, white, why, yellow,