The window contains many allegorical references to the Blessed Sacrament, in particular relating to the rite of Holy Communion when catholics believe that bread is turned into the body of Christ.

At the apex is the ‘bread of life’ being adored by angels. Beneath we see various biblical scenes along the same theme, including: Elias being fed by ravens; the sacrificial Lamb of God; manna falling from heaven; and Joseph dispensing corn in Egypt. At the base are ‘loaves of proposition’ also called ‘holy bread’.