God's act of making Himself and His plan for humanity known to us.
Revelation
The community of God's people, established by Christ and guided by the Holy Spirit.
Church
An outward sign of an inward grace, instituted by Christ and entrusted to the Church.
Sacrament
The event in which the Holy Spirit descended upon Mary and the Apostles, empowering them to preach the Gospel.
Pentecost
The inner judgment by which a person recognizes the moral goodness or evil of an action.
Conscience
The inspired Word of God contained in the books of the Bible.
[Sacred] Scripture
The twelve men chosen by Jesus to be His closest disciples and witnesses to His Resurrection.
Apostles
The number of sacraments
Seven
Seven spiritual attributes that help Christians respond to God's grace and live holy lives.
Gifts of the Holy Spirit
The God-given ability to make choices and decide how to act.
Free Will
The living transmission of God's Word through the teaching and life of the Church.
[Sacred] Tradition
The unbroken continuation (from Christ) of the teaching and authority through bishops.
Apostolic Succession
God's free and undeserved gift of His own life and help, which enables us to live in relationship with Him.
Grace
Virtues and good qualities that grow in a person's life through the action of the Holy Spirit.
Fruits of the Holy Spirit
The moral law established by God and accessible to human reason, reflecting the good and right order of creation.
Natural Law
The central mystery of Christianity: one God in three divine Persons—Father, Son, and Holy Spirit.
Trinity
The Bishop of Rome and successor of St. Peter, who serves as the visible head of the universal Church.
Pope
The sacrament in which the Body and Blood of Christ are truly present under the appearances of bread and wine.
Eucharist
The process of prayerfully recognizing God's will and choosing how best to respond.
Discernment
The teachings of Jesus describing the attitudes and qualities of those who are blessed in God's Kingdom.
Beatitudes
The mystery of the Son of God becoming human in Jesus Christ.
Incarnation
A successor of the Apostles who leads a diocese and shares responsibility for teaching, sanctifying, and governing the Church.
Bishop
The change of the entire substance of bread and wine into the Body and Blood of Christ, while their appearances remain.
Transubstantiation
A calling from God to live a particular way of life and serve Him and others.
Vocation
An offense against God that damages our relationship with Him, others, and ourselves.
Sin