The ambon or ambo in its modern usage is a projection coming out from the soleas in an Eastern Orthodox, Oriental Orthodox and Eastern Catholic church. The ambon stands directly in front of the Holy Doors. It may be either rounded or square and has one, two, or three steps leading up to it.
A templon is a feature of Byzantine churches consisting of a barrier separating the nave from the sanctuary near the altar.
A Greek scaenae frons (theater screen) portraying a three-doored temple facade, posited in the early 20th century as a possible origin for the design of the templon.
Santa Maria in Cosmedin, Rome
Five-panel Deesis row, Iconostasis of the Cathedral of the Annunciation in the Moscow Kremlin by Theophanes the Greek, 1405 – the first five-row Iconostasis
A columnar templon at St Mark's Basilica, Venice