Ключевые слова: app, application, background, black, browser, business, cart, cellphone, communication, computer, concept, contour, data, design, development, device, end, flat, front, graph, icon, illustration, interface, internet, isolated, laptop, layout, line, linear, mobile, multimedia, network, outline, page, phone, screen, set, shopping, smartphone, technology, template, user, ux, web, website, wireframe,