<Li> Liturgy <Ul> <Li> Mass </Li> <Li> Divine Office </Li> <Li> Liturgical year </Li> </Ul> </Li> <Ul> <Li> Mass </Li> <Li> Divine Office </Li> <Li> Liturgical year </Li> </Ul> <Ul> <Li> Sacraments <Ul> <Li> Baptism </Li> <Li> Penance </Li> <Li> Eucharist </Li> <Li> Confirmation </Li> <Li> Anointing of the Sick </Li> <Li> Matrimony </Li> <Li> Holy Orders </Li> </Ul> </Li> </Ul> <Li> Sacraments <Ul> <Li> Baptism </Li> <Li> Penance </Li> <Li> Eucharist </Li> <Li> Confirmation </Li> <Li> Anointing of the Sick </Li> <Li> Matrimony </Li> <Li> Holy Orders </Li> </Ul> </Li>

What is the purpose of the catholic church