The Holy Spirit immediately places all people who put their faith in Jesus Christ into one united spiritual body, the Church, of which Christ is the head. The primary expression of the Church on earth is in autonomous local congregations of baptized believers. The purpose of the Church is to glorify God by taking the gospel to the entire world and by building its members in Christlikeness through the instruction of God's Word, fellowship, service, worship, and prayer.
They devoted themselves to the apostles' teaching and to the fellowship, to the breaking of bread and to prayer. Everyone was filled with awe, and many wonders and miraculous signs were done by the apostles. All the believers were together and had everything in common (Acts 2:42-44).