The principal act of worship on the Lord's Day is the Celebration of the Holy Eucharist. This is the liturgy which remembers Jesus' meal with his disciples, when he shared the bread and wine and declared "this is my body, this is my blood." All baptized Christians are welcome to share in this meal at God's table. Participation in this meal constitutes the Church as the Body of Christ. In this liturgy, God offers the grace of healing, and the blessing of the Holy Spirit to energize and send forth. From this liturgy, we go as bread to a hungry, hurting world.
Our Book of Common Prayer contains several options for this form of worship, but all have two basic elements: a liturgy of the Word and a liturgy of the Table. In the first part of the service, the Liturgy of the Word, Holy Scripture is read, a sermon is preached, hymns are sung and prayers offered. The liturgy of the Table centers around the elements of bread and wine, which are blessed and distributed according to ancient custom. Scripture readings follow a three-year lectionary, and hymns and prayers change according to the seasons of the church year.
In our baptismal covenant, we promise to "continue in the apostle's teaching and fellowship, in the breaking of bread and in the prayers." This is essentially a promise of regular participation in the eucharistic fellowship, a duty of all Christians.