Ключевые слова: abstract, air, art, background, business, button, climate, cloud, communication, computer, computing, concept, connection, contour, design, element, graphic, handle, hosting, icon, illustration, information, internet, isolated, line, linear, nature, network, open, outline, protection, rain, season, set, shape, sign, sky, summer, sun, swirl, symbol, technology, wave, weather, web, windy,