The term 'church part' refers to the various components of a church building. The transept is an area that crosses the main body of the church, usually at the entrance. The NAVE is the main body of the church, where the congregation sits. The STEEPLE is a tall tower with a pointed roof, often found at the entrance of a church. The APSE is a semicircular recess at the end of the NAVE, often used for the ALTAR. The CHANCEL is the area around the ALTAR, usually separated from the NAVE by a railing or screen. The ALTAR is the table at which the Eucharist is celebrated. Aisles are the side passages in a church, often lined with pews. APSE is the plural form of APSE, referring to multiple apses in a church. The CHOIR is the area where the CHOIR sings during services. The SPIRE is a tall, slender tower on top of a church.