Ключевые слова: abstract, action, arch, audio, background, blue, circle, communication, concentric, concept, connect, decoration, digital, dynamic, electronic, element, energy, fi, frame, graphic, icon, illustration, internet, isolated, light, line, music, optical, pattern, pictogram, radial, radio, ring, rotation, round, sign, signal, stamp, station, strip, symbol, target, technology, texture, wallpaper, wave, white, wifi, wireless,