Ключевые слова: abstract, abstraction, background, black, blank, brain, business, challenge, choice, concept, connection, contour, creativity, decoration, design, different, element, icon, idea, illustration, isolated, key, leisure, logo, marketing, match, metaphor, model, network, object, ornament, part, piece, problem, puzzle, round, shape, sign, skill, square, strategy, success, symbol, system, team, teamwork, tile, toy,