Feudalism can be defined as the identification of landed property with sovereignty - sovereignty over a parcel of land which becomes a private hereditary possession and an asset to the family. The king on receiving his fief or feud (feudalism) or estate was entrusted with sovereignty over all persons living on it. He became their law-maker, their commander and the judge.

Parliamentary Supremacy or Parliamentary Sovereignty can be defined as the exclusive right of parliament to make and unmake laws without any form of extemal control.