Well, regardless of what words are used, we have to seperate the act of people doing socially necessary things to keep food on everyone's table and all the lights on, and the model of wage labor which makes people do things, some of which is socially necessary, in order to not end up homeless and starving. Based on my own readings, people have delineated it as a labor/work distinction, but what is necessary is to communicate the difference not the specific language