Related Clues:

• Word with "bar" or "area"
• The "C" in UPC
• Cracking target
• Cracking candidate
• Word with "bar" or "dress"
• Semaphore signals, e.g
• It only makes sense when it's broken
• *Secret to crack
• Set of building standards
• Write lines professionally
• Cryptographic writing
• Last part of UPC
• Fish to European rules
• It's key to fish recipe at foundation
• (Computer) programming instructions