Sway over lands in the middle ages had not been evolved to 'one lord in one land' as in the Early-Modern period yet, and the swaying system was much more complicated than that of the Early-Modern ages.
中世の土地支配権は近世のような「一つの土地に一人の領主」は確立されておらず、その支配体系も近世のものよりずっと複雑であった。