Ключевые слова: 5w, analysis, analysis method, answers, ask, asking, business, challenge, closeup, clueless, communication, concept, conceptual, cubes, disambiguation, doubt, five ws, how, idea, ideas, information, interrogation, interrogative, investigation, mark, marketing, marks, method, mystery, plan, problem, question, question marks, questioning, questions, reminder, research, sign, solution, text, uncertain, uncertainty, unclear, unknown, what, when, where, who, why, wooden block,