info, information - a message received and understood

esoterica - secrets known only to an initiated minority

cabala, cabbala, cabbalah, kabala, kabbala, kabbalah, qabala, qabalah - an esoteric or occult matter resembling the Kabbalah that is traditionally secret

countersign, password, watchword, parole, word - a secret word or phrase known only to a restricted group; "he forgot the password"