Ключевые слова: area, art, attention, blue, bright, cam, camera, caution, cctv, color, colorful, contour, control, crime, danger, design, digital, glowing, gradient, graphic, guard, icon, illustration, isolated, light, line, linear, lineart, looking, monitored, monitoring, neon, observe, outline, privacy, private, protection, safety, secure, security, sign, surveillance, symbol, system, technology, video, warning, watching, zone,