The Mount of Transfiguration offers an excellent window into the sort of communion the members of the mystical body share in. Central to the communion of saints is the fellowship we share with those members of the body making up the Church militant. The communion of saints is the Church. We must therefore believe that there exists a communion of goods in the Church. The faith of the faithful is the faith of the Church, received from the apostles.
Faith is a treasure of life which is enriched by being shared.
950 Communion of the sacraments. The fruit of all the sacraments belongs to all the faithful. All the sacraments are sacred links uniting the faithful with one another and binding them to Jesus Christ, and above all Baptism, the gate by which we enter into the Church. 951 Communion of charisms. All Christians should be ready and eager to come to the help of the needy . . .