(programming, rare) Computer program code characterized by several well-defined and separable layers forming a hierarchy of subsystems.

A set of colors of handkerchief that indicate sexual preferences of people who deliberately wear them for this purpose.

(coding theory) A rateless erasure code.

(information theory) A forward-error-correction (FEC) code for the binary erasure channel, which transforms a message of k symbols into a longer message with n symbols such that the original message can be recovered from a subset of the n symbols.

(computing) source code written in a code readable by the processor

(computing) Source code that will execute only under Microsoft's Common Language Runtime.

(computing) source code that is compiled into native code for execution, rather than executing only under Microsoft's Common Language Runtime.

(computing) Alternative form of bytecode

Any of a series of three-letter codes (often abbreviations) for counties and similar administrative units of the British Isles used especially in the field of genealogy

A two-dimensional barcode, typically used to link to a website.