sentences:  The Narthex or porch is the entrance to the church building and not yet the actual 'church' proper, and is a small open space often with some candles to buy before entering the church itself.Once through the Royal Doors (a term often applied now to the doors in the center of the Iconostasis as well) there is the Nave, which is the main and largest part of the church building.Here all the laity and choir stand (there are often few or no seats in the building) during worship; it is shaped rectangularly in the back, opening into two wings forming a cross towards the front.