One order, school or lineage, wherever it is found

This page groups organizations by how much authority they actually hold. Wikipedia notes that such bodies often take on "the formation, nomination or appointment of religious leaders, the establishment of a corpus of doctrine, the disciplining of leaders and followers with respect to religious law, and the determination of qualification for membership." Browsing this way lets a visitor compare an organization with broad doctrinal authority against one with only a narrow administrative role.