In the modernist movements of the 20^th century, the use of decorative elements in architecture fell out of favor. Leaving the bare structure exposed on a building was considered more “honest.” But even here, there are deeper considerations, even theological ones, that we need to recover in order to save our buildings from a kind of visual nihilism. In part 5 of this series, Dr. McNamara looks at the meaning and importance of decoration and ornament in architecture.