ASCII text file and Source code

ASCII text file noun - A text file that contains only ASCII characters without special formatting.

Source code and ASCII text file are semantically related. In some cases you can replace phrase "Source code" with "ASCII text file", this phrases are similar.

Source code noun - Program instructions written as an ASCII text file; must be translated by a compiler or interpreter or assembler into the object code for a particular computer before execution.

ASCII text file and source code are semantically related. You can use "ASCII text file" instead a noun phrase "Source code".