Ключевые слова: abstract, architecture, arrow, ausfahrt, background, building, business, businessman, challenge, city, complexity, concept, creative, creativity, decision, direction, door, doorway, emergency, escape, exit, floor, german text, human, idea, interior, labyrinth, leadership, line, maze, nobody, people, person, problem, puzzle, red, research, safety, security, sign, solution, strategy, success, symbol, urban, wall, way,