| Chrism | the oil used in baptism, confirmation and ordination |
| Vows | solemn promises made to God |
| Water | used in baptism as a sign of purification |
| Renewal of baptismal vows | confirming and deepening the solemn promises made a baptism |
| Liturgy of the Eucharist | the Last Supper is re-enacted and the bread and wine, which is transubstantiated to become the body and blood of Jesus, is distributed |
| Liturgy of the Word | Bible readings in the second part of the Mass |
| Penitential Rite | the confession and absolution at the beginning of Mass |
| Real Presence | the belief that Jesus is present in the bread and wine of the Eucharist |
| Rite of Communion | receiving the body and blood of Jesus |
| Sacrifice | a surrender of something valuable for the sake of others |
| Tabernacle | a safe place in which is kept the blessed sacrament |
| Transubstantiation | the belief that the bread and wine become the body and blood of Jesus |
| Absolution | through the action of the priest, God grants pardon and peace |
| Contrition | sorrow for the sin committed and deciding not to do it again |
| Penance | an action showing contrition |
| Viaticum | food for the journey |
| Christmas | festival celebrating the birth of Christ |
| Lent | forty days set aside for prayer and fasting |
| Holy Week | the week beginning with Palm Sunday, remembering the last week of Jesus' life |
| Easter | festival celebrating the resurrection of Jesus |