II. How is the Liturgy Celebrated?

From The Catechism of the Catholic Church

1152
Sacramental signs. Since Pentecost, it is through the sacramental signs of his
Church that the Holy Spirit carries on the work of sanctification. the
sacraments of the Church do not abolish but purify and integrate all the
richness of the signs and symbols of the cosmos and of social life. Further,
they fulfill the types and figures of the Old Covenant, signify and make
actively present the salvation wrought by Christ, and prefigure and anticipate
the glory of heaven. Words and actions

PART TWO: THE CELEBRATION OF THE CHRISTIAN MYSTERY

SECTION ONE THE SACRAMENTAL ECONOMY
- CHAPTER TWO THE SACRAMENTAL CELEBRATION OF THE PASCHAL MYSTERY
  - Article 1 CELEBRATING THE CHURCH’S LITURGY
    - II. How is the Liturgy Celebrated?

From The Catechism of the Catholic Church – rosary.team