Its a system of living together for safety reasons. Each one does something for the one above for a reward or return for doing something for them.
Monarchs are kings and queens who are people who rule over a place and provide. They got their power from nobles and vassles.
Lords ruled over a large piece of land. Lords couldn't watch there entire land so they divide it up and gave some to the nobbles to watch over.
Parts of a Manor
Kights were people who prodected and gave loyalty and chivalry to people in return they gained their trust, shelter, food, weapons, and everything they needed. To become a knight their were three different stages.
Peasant farmers who did manual labor. Peasants would pay the lord some dues in the form of labor in exchange for using part of the lord's land to get their own food.
There are many parts to the manor. Parts of the manor house include, farmlands, the village, peasant and serfs homes, water source, and a church.