| A | B |
| Magisterium | Teaching Office of the Church |
| Motives of Credibility | Evidence that a Revelation has truly come from God and is, therefore, without error. |
| Miracle | Sign, wonder, or event that transcends the laws of nature by divine power. |
| Motive of Faith | Why a person believes: the authority of God himself. |
| Covenant | Agreement between people or between a person and God involving mutual commitments and guarantees. |
| Object of Faith | What a person believes: God himself and all the truths he reveals to us. |
| Prophet | A person who speaks to others in the name of God. |
| Word of God | Sacred Scripture; also the Second Person of the Blessed Trinity, Jesus Christ. |
| Apparition | Miraculous appearance of God, a saint, or an angel through which a private revelation may be transmitted. |
| Original Sin | Disobedience committed by our first parents and passed down to all of their descendants. |
| Divine | Modifier indicating something that refers or pertains to God. |
| Faith | the theological virtue by which one believes all that God has said and revealed to man and that the church proposes for belief. |
| Prophecy | Something that is said in the name of God. |
| Revelation | God's communication of himself by which he makes known the mystery of his divine plan. |