Complex sentence: La Rotonda refers to the central circular hall with its dome: describing the villa, as a whole, as a'rotonda' is technically incorrect, as the building is not circular but rather the intersection of a square with a cross.
Split into simpler sentences: La Rotonda refers to the central circular hall with its dome. To describe the villa, as a whole, as a'rotonda' is technically incorrect, as the building is not circular but rather the intersection of a square with a cross.