Command language and Source language

Command language noun - A source language consisting of procedural operators that invoke functions to be executed.

Source language and command language are semantically related. In some cases you can use "Source language" instead a noun phrase "Command language".

Source language noun - A language that is to be translated into another language.

Command language and source language are semantically related. Sometimes you can replace phrase "Command language" with "Source language", this phrases are similar.