...In my essay, I want to explore the “shadows” of these stained glass windows (i.e. films) to understand the patterns exhibited by the church (i.e the art of filmmaking).

You can't do that! Church is holy! No x-raying of wonders allowed! That would show the extent of the cargo-cult :)

Anyways, I liked it, though it felt somehow incomplete?

What do you make of [1] https://theabyssgazes.blogspot.com/2010/03/teal-and-orange-h... in this context?