II. How is the Liturgy Celebrated?

From The Catechism of the Catholic Church

1161
All the signs in the liturgical celebrations are related to Christ: as are
sacred images of the holy Mother of God and of the saints as well. They truly
signify Christ, who is glorified in them. They make manifest the “cloud of
witnesses”²⁹ who continue to participate in the salvation of the
world and to whom we are united, above all in sacramental celebrations. Through
their icons, it is man “in the image of God,” finally transfigured
“into his likeness,”³⁰ who is revealed to our faith. So too
are the angels, who also are recapitulated in Christ:

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