Conversation so far:
What is heraldry?
Heraldry is a broad term, encompassing the design, display, and study of armorial bearings, as well as related disciplines together with the study of ceremony, rank, and pedigree.
When did the Moors first appear?
Maures appear in European heraldry from at least as early as the 13th century

Question: What role did it play in Europe?
Self-contained rewrite: What role did the Moors play in Europe?