Related Clues:

• Like some wartime messages
• Put into bars, say
• Enciphered
• Converted into code
• Encrypted, prearranged for secrecy
• Of words, coded or enciphered
• Is the fish in need of being hidden in writing?
• Made hard to read
• Hard to read, maybe
• Converted to code
• Wrote an app
• Wrote software
• Describes information in code
• Made cryptic
• Unreadable without a key