The nave is the main part of the church where the congregation (the people who come to worship) sit. The aisles are the sides of the church which may run along the side of the nave. The transept, if there is one, is an area which crosses the nave near the top of the church.
Similarly one may ask, what is the apse of a church?
Commonly, the apse of a church, cathedral or basilica is the semicircular or polygonal termination to the choir or sanctuary, or sometimes at the end of an aisle. In relation to church architecture it is generally the name given to where the altar is placed or where the clergy are seated.
Where is the Quire in a church?
A choir, also sometimes called quire, is the area of a church or cathedral that provides seating for the clergy and church choir. It is in the western part of the chancel, between the nave and the sanctuary, which houses the altar and Church tabernacle.
Where is the chancel of a church?
In church architecture, the chancel is the space around the altar, including the choir and the sanctuary (sometimes called the presbytery), at the liturgical east end of a traditional Christian church building. It may terminate in an apse.