1.) Liturgy is the customary public worship performed by a religious group, especially by a Christian group. As a religious phenomenon, liturgy represents a communal response to and participation in the sacred through activities reflecting praise, thanksgiving, remembrance, supplication or repentance.

2.) The Paschal Mystery is closely linked to ideas about redemption and salvation . It refers to four ideas about the process that Jesus went through to save humanity from sin. These are his life, death and resurrection, and finally his ascension. ... Ascension - Jesus rose up to Heaven after having been resurrected.