Ключевые слова: 2d, advice, answer, ask, asking, assistance, business, cause, commerce, concept, confuse, confused, confusion, design, difficulty, doubt, element, flat, graphic, help, helpful, icon, illustration, issue, mark, matter, mind, problem, query, question, questioning, questions, quiz, reason, search, solution, solve, strategy, style, support, symbol, text, think, thinking, thought, topic, uncertainty, unknown, wondering,