Complex sentence: The correct term for this trope is Psychomachia, which means'the Battle of the Soul' and is the title of a poem by Prudentius which is considered the first completely allegorical medieval play.
Split into simpler sentences: The correct term for this trope is Psychomachia, which means'the Battle of the Soul'. The phrase is taken from a poem by Prudentius, also calld Psychomachia, which is considered the first completely allegorical medieval play.