Classical order Classical order An order in architecture is a certain assemblage of parts subject to uniform established proportions, regulated by the office that each part has to perform. Coming down to the present from Ancient Greek and Ancient Roman civilization, the architectural orders are the styles of classical architecture, each distinguished by its proportions and characteristic profiles and details, and most readily recognizable by the type of column employed. The three orders of architecture—the Doric, Ionic, and Corinthian—originated in Greece. To these the Romans added, in practice if not in name, the Tuscan, which they made simpler than Doric, and the
Corinthian order thought they detected a "Composite order", combining the volutes of the Ionic with the foliage of the Corinthian, but in Roman practice volutes were almost always present. In Romanesque and Gothic architecture, where the Classical system had been replaced by a new esthetic composed of arched vaults springing from columns, the Corinthian capital was still retained. It might be severely plain, as in the typical Cistercian architecture ("illustration left"), which encouraged no distraction from liturgy and ascetic contemplation, or in other contexts it could be treated to numerous fanciful variations, even on the capitals of a series of columns or