Simplify the following text for a Grade 12 native English-speaking person.
Original: According to the village planning handbook issued by the city , the purpose of the village planning committees is to work with the city 's planning commission to ensure a balance of housing and employment in each village , concentrate development at identified village cores , and to promote the unique character and identity of the villages .
Simplified: According to the village planning handbook issued by the city , the purpose of the village planning committees is to work with the city 's planning commission to ensure a balance of housing and employment in each village . The committees also concentrate on development at identified village cores , and to promote the unique character and identity of the villages .