Ключевые слова: advertising, bar, business, color, colorful, communication, computer, concept, contour, data, design, display, document, engine, equipment, file, flat, folder, gear, icon, illustration, interface, internet, isolated, line, linear, management, marketing, mobile, network, optimization, outline, page, phone, promotion, screen, search, set, sign, smartphone, storage, symbol, tab, technology, web, website, window,