Column stays the same on all non tapered columns. This was done to the columns to add visual interest to them. The ionic order and the corinthian orders are the only column styles that have fillets and flutes. The doric style has flutes but not fillets. Doric flutes are connected at a sharp point where the fillets are located on ionic and corinthian order columns. Most classical columns arise from a basis, or base, that rests on the stylobate, or foundation, except for those of the Doric order, which usually rest directly on the stylobate. The basis may consist of several
Tuscan order Italic architectural form, predating the Greek Doric and Ionic, associated by Serlio with the practice of rustication and the architectural practice of Tuscany. Giorgio Vasari made a valid argument for this claim by reference to il Cronaca's graduated rustication on the facade of Palazzo Strozzi, Florence. Like all architectural theory of the Renaissance, precedents for a Tuscan order were sought for in Vitruvius, who does not include it among the three canonic orders, but peripherally, in his discussion of the Etruscan temple (book iv, 7.2–3). Later Roman practice ignored the Tuscan order, and so did Leon Battista Alberti in "De