arch, the
A curved structure, as a masonry, that covers openings in the stonework and is capable to supports the weight of material over an open space, as in a bridge, doorway, etc. It is often used as a decorative element.

console
An ornamental bracket, usually formed with scrolls and spirals.

ekklesiasterion
Public building for the assemblage of the people.

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

exedra, the
1. Large semicircular niche-like structure with stone seats ranged around the walls, often outdoors or with a hemidome over. An exedra may also be expressed by a curved break in a colonnade, perhaps with a semi-circular seat.2. The rectangular hall of the palaestra, open to the courtyard with columns at the front. The exedrae in gymnasium and palaestra could have served many functions. Usually a hall of such type was the Ephebeum.

mortar, the
Liquidised paste consisting of soil, water, sand or marble. It is used as binding material between rocks or plinths. Thus, it assures stability and protection of mansory.

niche
Semi-circular recess on the surface of the wall.

orchestra
The performance space of the ancient Greek and Roman theatre, placed between the scene building and the cavea. It was usually semi-circular in shape and rarely circular.

peristyle
A colonnade surrounding a building or a courtyard .

pillar
Pier of square or rectangular cross-section.

podium
The base of a building

pseudo-isodomic masonry
Masonry built of blocks of the same height within each course , but each course varying in height.

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