-Military code is a system of conventional symbols for the covert transmission of secret military information through communications equipment.
-For example; A United States military occupation code, or a military occupational specialty code (MOS code), is a nine-character code used in the United States Army and United States Marines to identify a specific job.
The best way to define military codes is : B. Secret languages used for communcuation By using this, we minimized the risk of enemy listening to the conversation and managed to turn the condition over