#arcanum__secret  information known only to a special group; "the secret of Cajun cooking"
  supertype:  #info__information  a message received and understood that reduces the recipient's uncertainty
  subtype:  #esoterica  secrets known only to an initiated minority
  subtype:  #cabala__cabbala__cabbalah__kabala__kabbala__kabbalah  an esoteric or occult matter that is traditionally secret
  subtype:  #password__watchword__word__parole__countersign  a secret word or phrase known only to a restricted group; "he forgot the password"

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