Often this takes place via an informal process wherein boundaries are set. Once a sense of camaraderie is formed, team members can express opinions openly, and others can disagree if the group does not concur.When every team member understands his or her role, a set of rules can be established so there is no confusion regarding personal responsibilities. Finally, a team works at its best when communication channels are open, roles are well-defined and there is clarity over the expectations of each team member.