cavea
Τhe auditorium or audience sitting of a theater.

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.

diazoma (lat. praecinctio)
The circular passage way between the lower and upper tiers of seats in an anient Greek theater.

doric order, the
One of the three orders or organizational systems of Ancient Greek originated on the mainland and western Greece. It is characterized by short, faceted, heavy columns with plain, round capitals (tops) and no base. The capital consists of a necking which is of a simple form. The echinus is convex and the abacus is square. Above the capital is a square abacus connecting the capital to the entablature. The Entablature is divided into two horizontal registers, the lower part of which is either smooth or divided by horizontal lines. The upper half is distinctive for the Doric order. The frieze of the Doric entablature is divided into triglyphs and metopes. A triglyph is a unit consisting of three vertical bands which are separated by grooves. Metopes are plain or carved reliefs.The Doric order comes without an individual base. They instead are placed directly on the stylobate. The capital consists of a necking which is of a simple form. The echinus is convex and the abacus is square. Above the capital is a square abacus connecting the capital to the entablature. The Entablature is divided into two horizontal registers, the lower part of which is either smooth or divided by horizontal lines. The upper half is distinctive for the Doric order. The frieze of the Doric entablature is divided into triglyphs and metopes. A triglyph is a unit consisting of three vertical bands which are separated by grooves. Metopes are plain or carved reliefs.The Doric order comes without an individual base. They instead are placed directly on the stylobate.

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.

parodos
It was one of two side passageways in an ancient Greek theatre, between the scene and the cavea, through which the chorus and the actors entered the orchestra.

podium
The base of a building

portico
A porch or a structure consisting of a roof supported by columns or pillars, leading to the entrance of a building.

scene (lat. scaena -ae)
The stage building of the ancient theaters originally used for storage but provided a convenient backing for performances.