sentences:  Through the Iconostasis (always done through the 'Deacon's doors' on either side except during processions by the clergy) lies the Altar (or Sanctuary).This area is considered the most holy of the whole church, and laity other than church personnel are discouraged from entering.The Altar is square (completing the cross shape of the church building) and at its center is the altar table on which the Eucharist is celebrated and which only clergy may touch.