Ключевые слова: abstract, africa, agency, america, asia, background, blue, business, care, checkmate, chess, chessboard, communication, company, competition, concept, conceptual, continent, couples, earth, empty, environment, europe, finance, fragile, glass, global, globe, glowing, icon, ideas, illustration, isolated, king, map, metaphor, object, ocean, pawn, planet, politics, pollution, power, protection, queen, sphere, strategy, success, world,