Complex sentence: Beyond the business of the harbour, agriculture was also of central importance to the settlement, the land to the east of the village, between East Aberthaw and Fonmon, being marked by windmills and orchards.
Split into simpler sentences: Beyond the business of the harbour, agriculture also continued to be of central importance to the settlement. At this time, the land to the east of the village, between East Aberthaw and Fonmon, was marked by windmills and orchards.