Ключевые слова: abstract, africa, america, asia, background, business, circle, collection, communication, concept, continent, design, earth, ecology, element, europe, flat, geography, global, globe, graphic, icon, illustration, international, internet, isolated, line, map, maps, modern, network, new, outline, people, pictogram, planet, popular, round, set, shape, sign, simple, sphere, symbol, technology, travel, web, white, world,