I don't think it's murky, I think it's contextual. Code can be used as a library (i.e.: I call it), or code can be used as a framework (i.e.: it calls me).

I don't think it's murky, I think it's contextual. Code can be used as a library (i.e.: I call it), or code can be used as a framework (i.e.: it calls me). Some code can be used either way. Sure it's semantic, but meaning is rather important...