Ancient Greek temple three steps, the "crepidoma". The uppermost level of the "crepidoma" provides the surface on which the columns and walls are placed; it is called stylobate. Placed on the stylobate are the vertical column shafts, tapering towards the top. They are normally made of several separately cut column drums. Depending on the architectural order, a different number of flutings are cut into the column shaft: Doric columns have 18 to 20 flutings, Ionic and Corinthian ones normally have 24. Early Ionic columns had up to 48 flutings. While Doric columns stand directly on the stylobate, Ionic and Corinthian ones possess a
Doric Greek accepted that Doric originated in the mountains of Epirus in northwestern Greece, the original seat of the Dorians. It was expanded to all other regions during the Dorian invasion (c. 1150 BC) and the colonisations that followed. The presence of a Doric state (Doris) in central Greece, north of the Gulf of Corinth, led to the theory that Doric had originated in northwest Greece or maybe beyond in the Balkans. The dialect's distribution towards the north extends to the Megarian colony of Byzantium and the Corinthian colonies of Potidaea, Epidamnos, Apollonia and Ambracia; there, it further added words to what