Ключевые слова: 2d modeling, 5g, abstract, alarm, alert, attention, beware, bright, color, colored, colorful, combined, communication, composition, concept, dangerous, error, fail, flat, generation, gradient, hazard, icon, important, lowpoly, mark, mesh, mistake, mobile, network, notice, pictogram, poly, polygonal, precaution, problem, rainbow, random, risk, scattered, sign, signal, spectral, spectrum, triangulation, vibrant, warning,