How these motives and methods of business work out in the traffic of commercial enterprise proper − in mercantile and banking business does not concern the present inquiry, except so far as these branches of business affect the course of industrial business in the stricter sense of the term. Nor is it necessary were to describe the details of business routine, whether in the mercantile pursuits or in the conduct of an industrial concern. The point of the inquiry is that characteristically modern business that is coextensive with the machine process described above and is occupied with the large mechanical industry. The aim is a theory.