/ | | | __________/
__/ | | | ______/
|Bklyn| Queens | Nassau | Suffolk /
/ | | County | County \________________
Brooklyn and Queens are two of New York City's boroughs, Nassau County and Suffolk County are considered NYC's main suburbs. When most people mention Long Island, they're usually talking about Nassau and Suffolk. Brooklyn and Queens being there too is just kind of a technicality.
Yes, it looks like a big fish.