Land noun – A body of people composed of one or more nationalities usually with its own territory and government. Estates and land are semantically related. Sometimes you can use "Estates" instead a noun "Land". Nearby Words: landing, landed, landholder, landless
While you can raise armies, form alliances and so forth the most important aspect of the game is management of your family and estates: The amount of land you can directly control is limited by certain factors, and thus you have to parcel out land to your vassals.