Trinity: Understand the central belief in one God in three Persons—Father, Son, and Holy Spirit.
Jesus Christ: Learn about the life, death, resurrection, and significance of Jesus as the Son of God and Savior.
The Holy Spirit: Explore the role of the Holy Spirit in guiding and sanctifying the Church.
The Church: Study the nature of the Catholic Church as the Body of Christ and its mission in the world.
The Bible: Familiarize yourself with the Sacred Scriptures, both Old and New Testaments, as the Word of God.