I. What is This Sacrament Called?

From The Catechism of the Catholic Church

1216
“This bath is called enlightenment, because those who receive this
[catechetical] instruction are enlightened in their understanding
. . . .”⁸ Having received in Baptism the Word, “the true
light that enlightens every man,” the person baptized has been “enlightened,”
he becomes a “son of light,” indeed, he becomes “light”
himself:⁹

PART TWO: THE CELEBRATION OF THE CHRISTIAN MYSTERY

SECTION TWO THE SEVEN SACRAMENTS OF THE CHURCH
- CHAPTER ONE THE SACRAMENTS OF CHRISTIAN INITIATION
  - Article 1 THE SACRAMENT OF BAPTISM
    - I. What is This Sacrament Called?

From The Catechism of the Catholic Church – rosary.team