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.
Comforter. Thick and (sometimes) quilted, a comforter differs from a quilt in that colors are generally dyed and patterns are not embroidered. Comforters are filled with layers of material including polyester batting (a synthetic fiber), down feathers, wool or silk. 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.