#sign.communication  a public display of a (usually written) message; "he posted signs in all the shop windows"
  supertype:  communication  something that is communicated between people or groups
  object:  scoreboard
  subtype:  poster__posting__placard__bill__card  a sign posted in a public place as an advertisement; "a poster advertised the coming attractions"
     subtype:  show_bill__show_card__theatrical_poster  a poster advertising a show or play
     subtype:  flash_card__flashcard  a card with words or numbers of pictures that are flashed to a class by the teacher
  subtype:  street_sign  a sign visible from the street
     subtype:  address.street_sign__addres  a sign in front of a house or business carrying the conventional form by which its location is described
  subtype:  signpost__guidepost  a post bearing a sign that gives directions or shows the way
     subtype:  fingerpost__fingerboard  a guidepost resembling a hand with a pointing index finger

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