Ключевые слова: application, around, astrology, background, black, business, collection, colorful, design, earth, ecology, element, filled, flat, front, geography, geology, global, globe, graphic, icon, illustration, industry, internet, isolated, line, linear, logistics, map, modern, network, object, outline, pictogram, planet, round, sign, simple, solid, sphere, symbol, technology, thin, travel, view, web, world,