How did the artist or designer use these elements of forms and/or content to convey spiritual meaning?

Chartres Cathedral of Notre-Dame In Chartres Cathedral of Notre-Dame (Figs. 17-4 through 17-11), light is used to convey spiritual meaning. In a 1-2 page essay, describe at least two elements of form and/or content materials, iconography, composition that use light to convey spiritual meaning.

How did the artist or designer use these elements of forms and/or content to convey spiritual meaning? Then, use at least two examples of specific, contextual evidence site, intended audience, historical and cultural environmentto explain why light was used to convey spiritual meaning.