“The inexhaustible richness of this sacrament is expressed in the different names we give it. Each name evokes certain aspects of it. It is called: Eucharist… The Lord’s Supper… The Breaking of Bread… The Eucharistic assembly… The memorial of the Lord’s Passion and Resurrection… The Holy Sacrifice… holy sacrifice of the Mass, “sacrifice of praise,” spiritual sacrifice, pure and holy sacrifice… The Holy and Divine Liturgy… celebration the Sacred Mysteries… Most Blessed Sacrament… Sacrament of sacraments… Holy Communion… the holy things (ta hagia; sancta)… the bread of angels, bread from heaven, medicine of immortality, viaticum… Holy Mass (Missa). -Catechism of the Catholic Church