Complex sentence: Warlingham is centered on a triangular village green, home to most of the village's commercial activities: there is a small Somerfield store, a Lloyd's Pharmacy, a newsagent and an art gallery.
Split into simpler sentences: Warlingham is centered on a triangular village green, home to most of the village's commercial activities. Around the triangular Green, there is a small Somerfield store, a Lloyd's Pharmacy, a newsagent and an art gallery.