| A | B |
| Middle Ages | The period in European history between the end of the Roman Empire and the beginning of the modern era |
| feudalism | An economic and political system of Europe in the Middle Ages based on certain obligations |
| lord | a noble in the middle ages |
| vassal | a person who promised to fight when needed by his lord, during the middle ages, in exchange for land |
| fief | In the Middle Ages, a large piece of land granted by a king to a lord in exchange for his loyalty |
| serf | a person who was bound to live and work on the land of a noble |
| manor | a self-sufficient farming estate where nobles and serfs lived and worked |
| knight | a son of a noble, who was a trained soldier and gave military service in exchange for the right to hold land |
| Charlemagne | King of the Franks from 768 to 814. He was crowned as emperor by Pope Leo III |