Ключевые слова: abstract, achievement, alphabet, badge, black, brand, business, company, concept, corporate, cross, defence, design, element, emblem, encryption, finance, firewall, guarantee, guard, icon, illustration, initial, insignia, internet, isolated, letter, lock, management, marketing, medieval, modern, password, privacy, protect, protection, safe, safety, secure, security, shield, sign, simple, symbol, virus, web,