Conversation so far:
What is the history of Manorialism?
The word derives from traditional inherited divisions of the countryside, reassigned as local jurisdictions known as manors or seigneuries.
What did Manorialism mean by traditional inherited divisions of the countryside?
Each manor being subject to a lord, usually holding his position in return for undertakings offered to a higher lord.
Are there any other interesting aspects about Manorialism and its description?
In the generic plan of a medieval manor from Shepherd's Historical Atlas, the strips of individually worked land in the open field system are immediately apparent.

Question: Why are they apparent
Self-contained rewrite: Why are Manorialism's individually worked land in the open field system immediately apparent?