 On the apse walls below would be saints and apostles, perhaps including narrative scenes, for example of the saint to whom the church was dedicated.On the sanctuary arch were figures of apostles, prophets or the twenty-four "elders of the Apocalypse", looking in towards a bust of Christ, or his symbol the Lamb, at the top of the arch.The north wall of the nave would contain narrative scenes from the Old Testament, and the south wall from the New Testament.