Final answer:
The main apse of a Byzantine church typically features a depiction of Christ as Pan tokrator, surrounded by the symbols of the four Evangelists. In the dome, scenes from the lives of Christ, the Vir gin Mary, and saints, as well as scenes from the Old Testament, are commonly found.
Step-by-step explanation:
In Byzantine churches, the most common type of figure or scene you would expect to find in the main apse of the building is the depiction of Christ as Pan t okrator (Christ in Majesty), surrounded by the symbols of the four Evangelists.
In the dome of Byzantine churches, you would typically find scenes from the lives of Christ, the Vir gin Mary, and saints, as well as scenes from the Old Testament.
These figures and scenes were often represented in mosaics, which were a popular form of decoration in Byzantine churches.