Bread and Wine and Light symbols

In room six we have been learning about Mass.There are three symbols: Bread,Wine and Light. These are the prays we say in Mass: Lord have mercy, E Te Ariki, God hear us Holy holy holy, Lord, God of power and might, heaven  and earth are filled with your glory, Hosanna in the highest, Blessed is he who comes in the name of the Lord, Hosanna to God in the highest, Lamb of God you take away the sins of the earth have mercy on us, Lamb God you take away the sins of the earth have mercy on us, Lamb of god you take away sins of the world grant us peace.