Complex sentence: Technically, the "church" in "church service" refers to the gathering of the faithful rather than to the building in which it takes place.The pentecostal church believes the church is the "Body of Christ" as Christ is the head of the Church.
Split into simpler sentences: Technically, the "church" in "church service" refers to the gathering of the faithful rather than to the building in which it takes place. For example, the pentecostal church believes the church is the "Body of Christ" as Christ is the head of the Church.