#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
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