The four "marks" of the Church that are listed in the Nicene Creed are that it is one, holy, catholic (that is, universal), and apostolic. The hierarchy of bis

The four "marks" of the Church that are listed in the Nicene Creed are that it is one, holy, catholic (that is, universal), and apostolic. The hierarchy of bishops and the Pope (the Bishop of Rome) are the apostolic part; Catholics consider them the successors of the apostles.