Conversation so far:
what are moors?
The term Moors refers primarily to the Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, and Malta during the Middle Ages.
what is heraldy?
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 in heraldry happen?
Maures appear in European heraldry from at least as early as the 13th century

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