A concomitant change has been from a state of vague structure, so far as there is any, to a state of distinct structure. Even the primary differentiation in the lowest human groups is confused and unsettled. The aboriginal chief, merely a superior warrior, is a chief only while war lasts--loses all distinction and power when war ceases; and even when he becomes a settled chief, he is still so little marked off from the rest that he carries on his hut-building, tool-making, fishing, etc., just as the rest do. In such organization as exists nothing is distinguished, everything is confused. Quite otherwise is it in the developed nation. The various occupations, at the same time that they have become multitudinous, have become clearly specialized and sharply limited. Read the London Directory, and while shown how numerous they are, you are shown by the names how distinct they are. This increasing distinctness has been shown from the early stages when all freemen were warriors, through the days when retainers now fought and now tilled their fields, down to the times of standing armies; or again from the recent days when in each rural household, besides the bread-winning occupation, there were carried on spinning, brewing, washing, to the present day when these several supplementary occupations have been deputed to separate classes exclusively devoted to them. It has been shown from the ages when guilds quarreled about the things included in their respective few businesses, down to our age when the many businesses of artisans are fenced round and disputed over if transgressed, as lately by boilermakers and fitters; and is again shown by the ways in which the professions--medical, legal, and other--form themselves into bodies which shut out from practice, if they can, all who do not bear their stamp. And throughout the governmental organization, from its first stage in which the same man played various parts--legislative, executive, judicial, militant, ecclesiastic--to late stages when the powers and functions of the multitudinous classes of officials are clearly prescribed, may be traced this increasing sharpness of division among the component parts of a society. That is to say, there has been a change from the indefinite to the definite. While the social organization has advanced in coherence and heterogeneity, it has also advanced in definiteness.