| A | B |
| Sacred Scripture | The inspired word of God that has been handed down to us in written form |
| Sacred Tradition | The inspired word of God that has been passed down orally from the Apostles |
| Magisterium | The Pope and Bishops who form the teaching office of the Church and help us understand and apply the Word of God |
| Infallibility | The gift of the Holy Spirit given by God to the Pope and Bishops that protects them from erring when teaching about faith and morals |
| Deposit of Faith | The beliefs drawn from Sacred Scripture, Sacred Tradition and the Magisterium which have been handed down from the time of the Apostles |
| Salvation History | The record of God’s loving plan to forgive our sins and restore us to his friendship through Christ’s sacrifice on the cross |
| Contract | An agreement between a buyer and seller for an exchange of goods and services |
| Covenant | A solemn agreement between God and people marked with a promise of commitment |