For the purposes of this chapter, the following words and phrases shall have the meanings respectively ascribed to them by this section:
The Chief of Police of the city and his duly designated agents.
Includes all wheeled carts propelled by human power which are commonly used as a means of conveyance for food, merchandise, goods and chattels.
Every person who uses a handcart vehicle or who permits or suffers a handcart vehicle under his control to be used by others.
Any public street, avenue, road, alley, lane, highway, boulevard, driveway, sidewalk, crosswalk and every class of road, square, place or municipal parking lot used by the public.