Ключевые слова: art, assistant, authentication, background, biometric, brick, contour, control, crime, cyber, detection, facial, finger, glowing, guard, human, icon, id, identification, identity, isolated, light, line, linear, lineart, microphone, music, neon, outline, person, phone, print, privacy, protect, protection, recognition, safety, scan, secure, security, shield, sign, smart, sound, speech, symbol, system, technology, wall,