It is probably simplest to think of social services as those activities conducted by social welfare institutions.Occasionally,such services will be delivered by institutions that are not recognizable as social welfare institutions,and therefore,it is help ful to think in terms of services delivered a social service, one could argue that it is, by definition, a social welfare institution. But the distinction is for example, social servies are provided by the Department of Defenes, Corrections, and Industry but neither defense,