For purposes of sections 14-101 to 14-2004: (1) Lot means a lot as described and designated upon the recorded plat of a city of the metropolitan class, and in case there is no recorded plat of any such city, a lot as described and designated upon any generally recognized map of such city; (2) Lands means any unsubdivided real estate in a city of the metropolitan class; and (3) Street includes boulevards, avenues, alleys, lanes, or any form of public roadway in a city of the metropolitan class.