A natural born citizen or natural citizen is someone who is considered a United States citizen from birth. Unlike naturalized citizens, these people do not need to apply for any of the rights of citizenship.
Thus, it is bigger in size than a coverlet. Quilt. A quilt is a piece of cloth that is intended to provide warmth to the sleeping person. It is not to be slept over like a bed sheet. However, it remains a bed covering during day time and hence the confusion with a bedspread.
A bedspread can be a quilt or a comforter & visa versa, but not always. It is any textile used as the outside layer on a bed (except for a small throw). They typically cover more of the bed than a typical blanket, quilt or comforter. Duvet & duvet cover definitions are fine.