TSA PreâÂ® through IdentoGO Centers. How to Apply. In addition to what the TSA currently offers travelers can apply for TSA PreâÂ® through select IdentoGO Centers operated by MorphoTrust. 1  Find an IdentoGO Center near you, including a growing number of airport locations, offering TSA PreâÂ® and pre-enroll online.
Social Circumstances. Definition of Social Circumstances: A set of concepts that results from or is influenced by criteria or activities associated with the social environment of a person. (NCI) A set of concepts that results from or is influenced by criteria or activities associated with the social environment of a person. Social Circumstances is part of the Conceptual Entities group.
Social structure. Social structure, in sociology, the distinctive, stable arrangement of institutions whereby human beings in a society interact and live together. Social structure is often treated together with the concept of social change, which deals with the forces that change the social structure and the organization of society. 1  Although it is generally agreed that the term social structure refers to regularities in social life, its application is inconsistent.