The Catechism in Questions & Answers

618. What are the basic elements of the divine service?

Concerning the early Christians in Jerusalem we read as follows: “And they continued steadfastly in the Apostles’ doctrine and fellowship, in the breaking of bread, and in prayers” (Acts 2: 42). From this we derive the basic elements of the divine service: the Apostles’ doctrine, fellowship, breaking of bread, and prayer.