What is in this image? Describe it as if you were explaining it to someone from the 15th century.

This image depicts a castle sitting atop a rounded hill, drawn in a simplistic and illustrative style akin to what one might find within the illustrated manuscripts or morality plays common in your time. The castle has a central structure flanked by two towers, each capped with a conical roof and triangular pennants that symbolize dominion or heraldry, common in your era''s fortifications.Adjacent to this fortress are stylized trees, curved in form, which might represent the woodlands surrounding noble estates or the marginal decorations seen in illuminated texts. Above the castle, floating by itself, is a celestial sphere with two smaller circles inside it, possibly intended as a rudimentary depiction of the moon or a cosmic element, the kind astrologers or cosmographers might study.This drawing, though plain and elementary in its form, would resonate with themes familiar to you the fortified dwelling as both a noble''s residence and a bastion against turmoil, and the inclusion of nature and the heavens, which remain constant in your understanding of the world.