architrave or epistyle
The lowest part of an entablature resting on the columns capitals and supporting the frieze.

basilica
In ancient Roman architecture a large oblong type building used as hall of justice and public meeting place. The roman basilica served as a model for early Christian churches.

capital
The uppermost part of a column or pillar crowning the shaft and supporting the entablature. The decoration of the capital characteristizes the ancient greek orders of architecture. In Doric order the capitals are decorated with abacus and echinus, in Ionic with spiral scrolls (volutes), while the corinthian capitals are composed of small corner volutes and a basket-shaped body decorated with rows of acanthus leaves.

coffer
Recessed ornamental square or octagonal panels sunk in the ceilings of buildings. They were decorated with relief or pictorial, usually floral, designs.

cornice
1. (Antiq. and Byz.) Member of the entablature or the architrave that projects in the elevation of a secular or religious building. As a horizontal member it may run along a wall. The cornice may also be the projecting part of the roof, protecting the building from rain.2. (Byz. archit.) Decorative architectural element used to articulate the walls of a church, both on the inside and on the outside, by marking the division between the vertical wall and the spring of the vaults. It usually bears painted or sculptural decoration of vegetal or geometric motifs.

entablature, the
The upper part of the classical order, that rests on the columns, it consists of the architrave, frieze and cornice.

pillar
Pier of square or rectangular cross-section.

stoa, portico, the
A long building with a roof supported by one or two colonnades parallel to its back wall.