1213 Holy Baptism is the basis of the ... into the water symbolizes the catechumen's burial into Christ's death, from which he rises up by resurrection with him, as "a new creature." ...

In a Catholic funeral several symbols are used ... serves as a reminder of the belief that in baptism people became part of God’s family and in death they will share eternity with God.

But, probably the core of all the oral tradition is the summary of the death, burial, and resurrection of Jesus ... but is rather a return into the symbols of the tradition that could explain ...