The columns (17) are fluted (18), which means they have about 20 grooves cut into them. The top of the column, the capital (14) is made up of a group of annulets. The saucer shaped piece is called the echinus (16). Above this is a square piece of stone, called the abacus (15), on the top. This supports the entablature, which is about one third of the height of the column. This is made up of a plain architrave (13) and a frieze with triglyphs (8). Between the triglyphs are square spaces, called metopes (9), which can be used for sculptures. Above this is a cornice with large blocks called mutules (5), which overhang the frieze. The lower surface of these blocks are called the soffit. Above this the block of stone has a plain vertical face called the corona. It is finished on the top with more decorations.