Linked from
The 18 pages that link to Programming language, each with the reason it gives.
Source codeNarrower topic: Source code is written in a programming language’s syntax and semantics.
InterpreterNarrower topic: An interpreter implements the rules of a particular programming language.
Software developmentRelated: Language choice affects how software is expressed, checked, and run.
SoftwareRelated: Programming languages provide rules for expressing software instructions.