Set into the grisaille are often medallions in bright blue, red, and other colors, decorated not with scenes of Biblical stories as in many churches, but with symbols of religious significance and with words—often quotations from the Bible.  This style of window was commonly employed in English parish churches of the thirteenth century.  Since Grace Church’s architecture imitates churches like these, the windows appropriately complement the building.  Grisaille serves to screen out some of the outdoor light, but not as much as the deeply colored glass popular in earlier Gothic architecture, particularly in France.