A car park, also known as a parking lot, is a flat area made of asphalt where you put your car while you're not driving it.
A cellar is an underground room that is usually used for storing things like wine or vegetables.
A cemetery is a place where dead people are buried. People mark the place a member of their family is buried with a gravestone.
A college is a place of higher learning, similar to a university.
A convent is a place where a community of religious people live. In past times it could mean men or women, but today it usually means somewhere a community of religious women, or nuns live.