Social contact is a pair of social actions with no further consequence - i.e. it is not likely to be repated. It can sometimes be described as an accidental social interaction. An example would be a failed an not-repeated attempt to start a conversation. In sociology, social action refer to any action that takes into account actions and reactions of another individuals (real or imagined) and is modified based on those events. ... Interaction is a kind of action which occurs as two or more objects have an effect upon one another. ...
In sociological hierarchy, social contact is considered to be in between less advanced social action and more advanced social interaction. In sociology, social action refer to any action that takes into account actions and reactions of another individuals (real or imagined) and is modified based on those events. ... Interaction is a kind of action which occurs as two or more objects have an effect upon one another. ...
Social interaction is a dynamic, changing sequence of social actions between individuals (or groups) who modify their actions and reactions due to the actions by their interaction partner(s).
In sociological hierarchy, social interaction is more advanced than behavior, action, social behavior, social action and socialcontact, 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.