A Grand Emperor owns and is in charge of 9 Provinces or roughly 2 Kingdoms. A Kingdom consists of 2-3 Provinces. A Province consists of 9 Duchies. A Duchy is one 256x256 map. An Emperor can pull supplies from any where in their Empire. A Grand Emperor run their Grand Dynasty completely separate than other Empires/Dynasties politically. The Grand Emperor is in charge of making new Royals and Nobles. Their voting rights would be different than other Grand Empires/Dynasties. Dynasty is similar to an Empire but the difference is a Dynasty is family based. So Provinces and Kingdoms fall under the Dynasty, but you could have multiple King/Queens & Lords/Lady