Related Clues:

• Do programming work
• Lash flash?
• Zip --
• Program listing?
• Write software
• Software basis
• Bar closing?
• Emoticon with a semicolon
• Encryption or set of rules
• 'A nod's as good as a .... to a blind horse'
• Cryptogram or set of standards
• Computer instructions
• Method of encryption or set of rules
• Specially devised system of words, as by Morse
• Encryption, disguised language