Ключевые слова: army, authorized, background, certificate, classified, confidential, document, espionage, government, grunge, icon, illustration, important, information, ink, inscription, isolated, label, messy, military, mission, paperwork, password, post, postage, print, privacy, private, received, red, restricted, rubber, scratched, seal, secrecy, secret, secure, security, sign, stain, stamp, symbol, tag, text, top, urgent, vintage,