Having recieved Thy sacred gifts, O Lord, vouchsafe the more often we frequent these mysteries, the more surely they may avail to our salvation.
(From the Postcommunion for the Second Sunday after Pentecost.)
After he reads the Communion verse, the priest goes back to the center of the altar. He kisses the altar and turns to the people. He says to them in Latin, “The Lord be with you.” The altar boy answers for the people, “And with your spirit.” This greeting of the priest is always a reminder or invitation. He desires them to join with him in the prayer or prayers that follow. At this time the priest wants the people to pray the Postcommunion prayer or prayers with him.
The Postcommunion is part of the Proper of the Mass. It changes from day to day. Often the Postcommunion speaks of the feast of the day. It is made up of one or more prayers that the priest reads from the Missal. The priest is at the Epistle side of the altar as he prays the Postcommunion.
Almost always the Postcommunion prayers speak of Holy Communion that has just been received. These prayers ask God that the graces of Holy Communion may help us to live good lives.
The ablutions, Communion, and Postcommunion are the prayers the Church uses in thanksgiving for Holy Communion.
Taken from The Kingdom of God series The Holy Sacrifice of the Mass by Ellamay Horan. I am not the Author merely the distributor. God Bless BJS!!