Zero n. : A cipher; nothing; naught.

Zero n. : The point from which the graduation of a scale, as of a thermometer, commences.

Zero n. : Fig.: The lowest point; the point of exhaustion; as, his patience had nearly reached zero.

Example:
What are the values for rent when the quantity supplied is Zero and the quantity demanded is Zero?

Taxonomy
zero skateboards, jamie thomas, chris cole, james brockman, tony cervantes, elissa steamer, tommy sandoval, john rattray, keegan, sauder, sheldon, garrett hill, gilley, Video, Strange World.

Defination from the web:
Zero Skateboards, New Video Strange World in Progress, Shallow Grave Concave