| A | B |
| Constantine | emperor of the eastern roman empire |
| Constantinople | City on the eastern edge of Europe that the emperor Constantine made the capital of the Byzantine Empire in 330 C.E. |
| Mural | A Painting on a wall |
| Mosaic | a picture made up of small pieces of tile, glass, or colored stone |
| Fresco | a picture painted on the moist plaster of a wall or ceiling |
| Vault | an arched structure used to hold up a ceiling or a |
| Dome | A roof shaped like a half circle or hemisphere |
| Cathedral | a large and important church |
| Aqueduct | a pipe or channel built to carry water between distant places |
| Byzantine empire | a great Empire that strattled two continents, Europe and Asia |
| Orthodox church | a Christian religion that arose in the Byzantine empire |
| Patriarch | in the eastern orthodox church, the bishop of an important city. |