Ключевые слова: abstract, art, attention, background, banner, billboard, brick, careful, caution, colorful, concept, dangerous, design, electric, element, emblem, flat, glowing, graphic, hazard, icon, illuminated, illustration, isolated, label, lettering, light, luminous, neon, night, octagon, poster, protection, realistic, restricted, safety, secure, sign, signboard, stop, style, symbol, template, text, wall, warning, way, wrong,