The people in a society considered as a system organized by a characteristic pattern of relationships WordNet 3.0 & Open English WordNet

In sociology, a social organization is a pattern of relationships between and among individuals and social groups. Wikipedia

In the social sciences, social structure is the aggregate of patterned social arrangements in society that are both emergent from and determinant of the actions of individuals. Wikipedia

A pattern of social arrangements in society Wikipedia Disambiguation

Pattern of relationships between and among individuals and social groups Wikidata

Sociological classification of human societies according to their social characteristics Wikidata

in Brazilian law, a NPO that offers services of public interest, in collaboration with the government Wikidata

The concept of system appears throughout the social and natural sciences and has generated a body of literature of its own (general systems theory). A system is any pattern of relationships between elements, and is regarded as having emergent properties on its own over and above the properties of its elements. OmegaWiki

A term loosely applied to any recurring pattern of social behaviour; or, more specifically, to the ordered interrelationships between the different elements or a social system or society. OmegaWiki