What were the duties of the grand vizier?

The grand vizier was the highest-ranking official in the Ottoman Empire, serving as the chief minister and advisor to the sultan. His duties included overseeing the administration of the state, managing the military, and coordinating government policies. Additionally, the grand vizier represented the sultan in diplomatic matters and had the authority to convene and preside over the Imperial Council. Overall, he played a crucial role in maintaining the functioning of the empire's governance.