The Lord of the castle and his family and important guests sat at the high table, a table at the end of the hall on a dais, a sort of stage thing that made it higher than the other tables. All the court and other people sat at tables on benches below the high tables. The saltcellar on the high table gave ones rank- the people above it were more important than the people below it.
Any person of lower rank who accidentaly went above it commited a crime and were put in the stocks. The servants of the kitchen and the household who didn't have important servantly purposes like ladies in wating or people working specifically for the lord or something didn't eat in the hall and somewhere else. The lord and maybe the lady were probably the only people with chairs in the hall.
All the rest sat on benches or stools.
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