The whole liturgical life of the Church revolves around the Eucharistic sacrifice and the sacraments. -CCC, no.1113

The sacraments are an efficacious sign of grace, instituted by Christ and entrusted to the Church, by which divine life is dispensed to us by the work of the Holy Spirit. -CCC, no. 1131

The Church recognizes seven Sacraments instituted by the Lord: Baptism, Reconciliation, Communion, Confirmation, Marriage, Holy Orders, and Anointing of the Sick.