While you are of course right, and much terminology is endlessly challengeable, we can also drift too far in this direction and end up denying that words mean a

While you are of course right, and much terminology is endlessly challengeable, we can also drift too far in this direction and end up denying that words mean anything. I do find words useful when there is consensus on their meaning, and I think it is still valid to attempt to define classifications even where they must inevitably be imperfect.