Tuscan order A plain astragal or taenia ringed the column beneath its plain cap. Palladio agreed in essence with Serlio: "The Tuscan, being rough, is rarely used above ground except in one-storey buildings like villa barns or in huge structures like Amphitheatres and the like which, having many orders, can take this one in place of the Doric, under the Ionic." Unlike the other authors Palladio found Roman precedents, of which he named the arena of Verona and the Pula Arena, both of which, James Ackerman points out, are arcuated buildings that did not present columns and entablatures. A striking feature is
Ancient Greek temple a thin "abacus". The eponymous Corinthian capital of the Corinthian order is crowned by rings of stylised acanthus leaves, forming tendrils and volutes that reach to the corners of the "abacus". The capitals support the entablature. In the Doric order, the entablature always consists of two parts, the architrave and the Doric frieze (or triglyph frieze). The Ionic order of Athens and the Cyclades also used a frieze above an architrave, whereas the frieze remained unknown in the Ionic architecture of Asia Minor until the 4th century BC. There, the architrave was directly followed by the "dentil". The frieze was