Reasonable, but I'm still not sure what makes code "systems code" or not, by that definition. Is it code that doesn't have a UI/display component mostly, as an

Reasonable, but I'm still not sure what makes code "systems code" or not, by that definition. Is it code that doesn't have a UI/display component mostly, as an observation that lots of Japanese Ruby programmers write code that's distant from the UI layer? Or something else?