Ключевые слова: abstract, arrow, ask, brain, brainstorming, choice, colorful, concept, conceptual, concern, confusion, creative, decision, design, doubt, enigma, head, help, helplessness, icon, idea, illustration, imagination, imagine, information, intellect, isolated, knowledge, learn, man, mind, option, preference, problem, profile, psychological, psychologist, psychology, search, silhouette, solution, strategy, symbol, think, through, uncertainty, unsolvable, vision, visualize,