A frieze is a sculpted decoration near the ceiling of a temple or other structure from classical architecture. The rest are all other architectural terms: an entablature is the upper section of a building's facade supported by columns; a cornice is the top part of the entablature; an architrave is the lower part of the entablature; and an arcade is a series of columns with arches spanning the distance between them.

The triangular gable over a major architectural element is called a pediment. In Classical and especially Greek temples, the pediment is decorated with a sculpture that tells a story or a myth. The pediment is the defining architectural feature of the Classical temple, and it also shows up a lot in Greek Revival architecture in Europe and the United States.

The use of different architectural orders on each level of a building is called the progression of orders. In Classical architecture, each "order" refers to a particular style, identifiable mostly by the profile and proportions of the columns. The progression of orders takes these structural elements and uses them as decorative elements, especially in Roman and Neoclassical architecture.

This is the definition of an oculus, and can be found in the Pantheon and other Roman & Greek buildings.

The only other answer that is an open design is the rose window, but those are not found in the top of a dome.

The apse and ambulatory are specific areas in a basilica plan church, not a part of a dome.

The impluvium is an indented/sunken area in a structure to collect rain.

The 9:4 proportions, the slight curving of the base to make the temple look flat from far, and the metopes are all iconic of the Doric order. All other orders use slenderer proportions and do not have metopes in the frieze.

Ictinus and Callicrates were the architects who designed the Parthenon, but Phidias oversaw the project and was one of its founding fathers as an iconic early Classical architect and sculptor.

Although the Parthenon was a significant form of architecture in the ancient world, it was not Roman, but rather Greek. The Pantheon, located in central Rome, can be considered an example of Roman technological innovation.

The Pantheon was built by Hadrian as a temple to all gods, and is distinguished especially by the "oculus," or "eye," in its roof. The Ara Pacis is an altar built under Augustus. The Colosseum is an arena, and the Pont du Gard, an aqueduct in southern France.

This column was a work of Roman art. It was created in 112 CE as part of a burial chamber. It is located in Rome. The other cultures mentioned also created many similar architectural feats, but they often had other distinctive characteristics.

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Trajan was a Roman emperor who ruled from 98-117 CE. This column was placed outside of the Forum of Trajan, where he was buried. The inscriptions on the column, as well as the surrounding buildings and structures, tell the stories of his life and success. (The others mentioned are also Roman emperors from different time periods.)

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