Complex sentence: Spuyten Duyvil is the name of a subsection of the Riverdale section in New York City which refers to the southernmost section of Riverdale, below West 232nd Street, or below 239th Street by some definitions.
Split into simpler sentences: Spuyten Duyvil is the name of a subsection of the Riverdale section in New York City. It currently refers to the southernmost section of Riverdale, below West 232nd Street, or below 239th Street by some definitions.