Complex sentence: By the late Medieval period, most farming was based on the Lowland fermtoun or Highland baile, settlements of a handful of families that jointly farmed an area notionally suitable for two or three plough teams.
Split into simpler sentences: By the late Medieval period, most farming was based on the Lowland fermtoun or Highland baile. These were settlements of a handful of families that jointly farmed an area notionally suitable for two or three plough teams.