Related Clues:

• Set of standards
• Cryptogram, e.g.
• ZIP ___
• Word with Morse or area
• Contractor's concern
• Programmer's work
• One might be cracked
• Part of UPC
• Word with bar or color
• Up to ___
• Word preceding various colors
• Medium for secret messages
• See 46 Down
• Disguised language
• Morse creation