a flat, rectangular object usually white or light-colored four corners may have a pattern or design may be folded or wrinkled may have a texture (e.g., silk, satin, cotton, linen, flannel)
sheet which is a flat, rectangular object sheet which has usually white or light-colored sheet which has four corners sheet which may have a pattern or design sheet which may be folded or wrinkled sheet which may have a texture (e.g., silk, satin, cotton, linen, flannel)