Mass in Viet Nam.
These, then, are the four elements which comprise the storehouse of memory which the Church hands down: the profession of faith, the celebration of the sacraments, the path of the ten commandments, and prayer. The Church’s catechesis has traditionally been structured around these four elements; this includes the Catechism of the Catholic Church, which is a fundamental aid for that unitary act with which the Church communicates the entire content of her faith: "all that she herself is, and all that she believes".[39]