I think in this case we all had to infer context where none was provided, but you're right that the meaning has drifted. These days the unit of work is very of

I think in this case we all had to infer context where none was provided, but you're right that the meaning has drifted. These days the unit of work is very often some HTTP-exposed service rather than a platform library, or an interface to hardware or the like. But, I'll join your point and say there aren't too many (recent) generic resources about how to design non-HTTP APIs, since the idioms and patterns tend to be language-specific.