Answer:
The three major classical orders are Doric, Ionic, and Corinthian. The orders describe the form and decoration of Greek and later Roman columns, and continue to be widely used in architecture today. The Doric order is the simplest and shortest, with no decorative foot, vertical fluting, and a flared capital. Ionic columns are taller and thinner, with a decorative foot and scroll-shaped volutes on the capital. The most complex order is the Corinthian order, which is tall and thin and features a decorative foot, volutes and acanthus leaves on the capital.
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