Task interdependence is the degree to which team members have to exchange information and/or means for the completion of the team task. A social entity can be characterized as a team when the level of task interdependence is high. That means that team members have to cooperate (exchange information and means) to complete tasks.
Goal interdependence reflects the way in which goal attainment of an individual is influenced by goal attainment of others.
Reward interdependence reflects the extent to which the obtainment of rewards by others influences the obtainment of rewards by one self.