There were many types of rules.
The various countries had their laws, and these were always changing. I have no idea how many countries there were, but there had to be dozens, at the very least. The number of legal codes could go into the hundreds.
Various courts of the nobles had their own rules, administered in various ways, such as the manorial courts. There had to be thousands of these.
The Church had its own rules, and there were quite a lot of them.
Custom formed its own rules, as well.
Yes, there were knights.
No.
no
knights and peasants
No. They had messengers to do that.
Code of Chivalry
The rules and customs of medieval knighthood.
There were knights at all places in medieval times.
There were knights at all places in medieval times.
Yes, there were knights.
Medieval Times
Medieval knights lived mainly in Europe. Europe was the center of medieval chivalry and feudalism, where knights served as armored warriors supporting monarchs and nobles in battles and tournaments.
Chivalry was an ancient code during the medieval times, that applied to Knights with rules like always save a damsel in distress, and things like that.
Medieval Times
no
okay
no