1348 … All have their own active parts to play in the celebration, each in his own way: readers, those who bring up the offerings, those who give communion, and the whole people whose “Amen” manifests their participation.
1352 The
anaphora : with the Eucharistic Prayer - the prayer of thanksgiving and consecration - we come to the heart and summit of the celebration:
In the preface, the Church gives thanks to the Father, through Christ, in the Holy Spirit, for all his works: creation, redemption, and sanctification. The whole community thus joins in the unending praise that the Church in heaven, the angels and all the saints, sing to the thrice-holy God.
1369
The whole Church is united with the offering and intercession of Christ . …
1370 To the offering of Christ are united not only the members still here on earth, but also those already
in the glory of heaven . …
1371 The Eucharistic sacrifice is also offered for
the faithful departed who “have died in Christ but are not yet wholly purified,” …