Ключевые слова: brain, chess, competition, concentration, creative, critical, decision, editable stroke, figure, flat, game, glyph, head, human, icon, idea, illustration, intellectual, intelligence, isolated, line, logic, memory, mental, mind, neurology, outline, pictogram, process, psychology, science, set, sign, silhouette, skill, solid, solution, strategic, strategic planning, strategy, success, symbol, tactical thinking, think, training,