Code and Marker

noun

• A set of rules or principles or laws (especially written ones.
  • synonyms: codification
• A coding system used for transmitting messages requiring brevity or secrecy.
• Computer science. ( the symbolic arrangement of data or instructions in a computer program or the set of such instructions)
  • synonyms: computer code

verb

• Attach a code to.
  • usage: "Code the pieces with numbers so that you can identify them later"
• Convert ordinary language into code.
  • usage: "We should encode the message for security reasons"
  • synonyms: encipher, cipher, cypher, encrypt, inscribe, write in code

• (n.) A body of law, sanctioned by legislation, in which the rules of law to be specifically applied by the courts are set forth in systematic form; a compilation of laws by public authority; a digest.
• (n.) Any system of rules or regulations relating to one subject; as, the medical code, a system of rules for the regulation of the professional conduct of physicians; the naval code, a system of rules for making communications at sea means of signals.

noun

• Some conspicuous object used to distinguish or mark something.
  • usage: "the buoys were markers for the channel"
• A distinguishing symbol.
  • usage: "the owner's mark was on all the sheep"
  • synonyms: marking, mark
• A writing implement for making a mark. .

• (n.) The soldier who forms the pilot of a wheeling column or marks the direction of an alignment.
• (n.) A counter used in card playing and other games.
• (n.) One who keeps account of a game played, as of billiards.
• (n.) One who or that which marks.
• (n.) An attachment to a sewing machine for marking a line on the fabric by creasing it.

(DoD, NATO) In land mine warfare: See gap marker; intermediate marker; lane marker; row marker; strip marker.
(DoD, NATO) A visual or electronic aid used to mark a designated point.
(DoD, NATO) In naval operations, a maritime unit which maintains an immediate offensive or obstructive capability against a specified target.