134. 2. Ministries, functions, offices, and various occupations are the goods of use the individuals each perform, from which the general good exists. By ministries are meant the activities of the priesthood and the duties connected with them; by functions are meant various civil positions; and by employments are meant occupations like those of the several kinds of craftsmen, by offices are meant various professions, businesses, and positions of service. Of these four the commonwealth, or society, consists.