8. The manner of cooperation in social communications matters will depend to a large extent on the way in which communications actually work. The international Catholic communications organizations have for their task to make known these methods and to initiate pastors and the faithful to an effective presence in the communications aspect of contemporary society. Thus, ecumenical cooperation will require exchanges between the Catholic Church's international communications organizations and the corresponding organizations of the other Christian bodies. This cooperation will evidently also extend to the regional and local levels, according to the circumstances of each communications initiative.