An illustration of the evolution of the various architectural column orders and their principal features.
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Sarah Woodward. Uploaded by Mark Cartwright, published on 27 October 2012 under the following license: Creative Commons: Attribution-ShareAlike. This license lets others remix, tweak, and build upon your work even for commercial reasons, as long as they credit you and license their new creations under the identical terms.