arcanum

1. is a type of: info, information - a message received and understood
   subtypes:

   • 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, parole, password, watchword, word - a secret word or phrase known only to a restricted group
   same as: secret

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