In sociological hierarchy, social interaction is more advanced than behavior, action, social behavior, social action and social contact, and is in turn followed by more advanced concept of social relation.In other words, social interactions, which consist of social actions, form the basis for social relations.ocial relations, derived from individual agency, form the basis of the social structure. Social interactions can be differentiated into: 1  accidental (also known as social contact) - not planned and likely not repeated. 2  For example, asking a stranger for directions or shopkeeper for product availability.