Final answer:
The correct option is: b) abacus. The flat slab forming the top of a column capital, plain in Doric style, but molded or otherwise enriched in other styles is called the abacus. It serves as a transition piece between the column and the entablature, which is the horizontal structure carried by the columns.
Step-by-step explanation:
The flat slab forming the top of a column capital, plain in Doric style, but molded or otherwise enriched in other styles is called the abacus. The abacus is a rectangular block that sits on top of the column capital. It serves as a transition piece between the column and the entablature, which is the horizontal structure carried by the columns.
The correct option is: b) abacus. The flat slab forming the top of a column capital, plain in Doric style, but molded or otherwise enriched in other styles is called the abacus. It serves as a transition piece between the column and the entablature, which is the horizontal structure carried by the columns.