a coding system used for transmitting messages requiring brevity or secrecy | the portion of a set of operation descriptions that specifies the operation to be performed; the set of operations in a computer |
a set of rules or principles or laws (especially written ones) | |
(computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions | |
a series of letters, numbers or symbols assigned to something for the purpose of classification or identification | |