Liturgy is the customary public worship performed by a religious 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.

What is the meaning of liturgy in Catholic?

In the Catholic Church, liturgy is divine worship, the proclamation of the Gospel, and active charity.

Where did liturgy come from?

The term liturgy comes from Greek and means "public work". The majority of Christian denominations hold church services on the Lord's Day (with many offering Sunday morning and Sunday evening services); a number of traditions have mid-week Wednesday evening services as well.