This means that Christian spirituality flows from the Eucharist (the source) and so Christian actions should be directed towards it (the summit). Every other sacrament is linked to the Eucharist.

1285 Baptism, the Eucharist, and the sacrament of Confirmation together ... the "mark," the seal of the Holy Spirit. A seal is a symbol of a person, a sign of personal authority, or ownership ...

There are also a variety of names used, such as the Lord’s Supper, the Eucharist, Mass and the breaking ... They believe that the bread and wine are symbols of the body and blood of Jesus.

15 1220 If water springing up from the earth symbolizes life, the water of the sea is a symbol of death and ... are types of Baptism and the Eucharist, the sacraments of new life.