<P> Above the capital is a square abacus connecting the capital to the entablature . The Entablature is divided into three horizontal registers, the lower part of which is either smooth or divided by horizontal lines . The upper half is distinctive for the Doric order . The frieze of the Doric entablature is divided into triglyphs and metopes . A triglyph is a unit consisting of three vertical bands which are separated by grooves . Metopes are the plain or carved reliefs between two triglyphs . </P> <P> The Greek forms of the Doric order come without an individual base . They instead are placed directly on the stylobate . Later forms, however, came with the conventional base consisting of a plinth and a torus . The Roman versions of the Doric order have smaller proportions . As a result, they appear lighter than the Greek orders . </P> <P> The Ionic order came from eastern Greece, where its origins are entwined with the similar but little known Aeolic order . It is distinguished by slender, fluted pillars with a large base and two opposed volutes (also called scrolls) in the echinus of the capital . The echinus itself is decorated with an egg - and - dart motif . The Ionic shaft comes with four more flutes than the Doric counterpart (totalling 24). The Ionic base has two convex moldings called tori which are separated by a scotia . </P> <P> The Ionic order is also marked by an entasis, a curved tapering in the column shaft . A column of the ionic order is nine times its lower diameter . The shaft itself is eight diameters high . The architrave of the entablature commonly consists of three stepped bands (fasciae). The frieze comes without the Doric triglyph and metope . The frieze sometimes comes with a continuous ornament such as carved figures instead . </P>

Which greek style of column has a scroll at the top