#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

No statement uses or specializes #sign.communication; click here to add one.