#code  a coding system used for transmitting messages requiring brevity or secrecy
  supertype:  coding_system  a system of signals used to represent letters or numbers in transmitting messages
  subtype:  area_code  a number usually of 3 digits assigned to a telephone area as in the US and Canada
  subtype:  bar_code__barcode__universalproductcode  code consisting of a series of vertical bars of variable width that are scanned by a laser; printed on consumer product packages to identify the item for a computer that provides the price and registers inventory information
  subtype:  color_code__colorcode  system using colors to designate classifications
  subtype:  secret_code__cipher__cypher__cryptograph  a secret method of writing
  subtype:  international_Morse_code__Morse__Morse_code  a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals)
  subtype:  zip_code__zipcode__postal_code  a code of letters and digits added to a postal address to aid in the sorting of mail

No statement uses or specializes code; click here to add one.