The purpose of this chapter is to protect residents of the City against fraud, unfair competition, and intrusion into the privacy of their homes by licensing and regulating peddlers, solicitors, and transient merchants, and mobile food unit vendors, and to provide rules, regulations and restrictions concerning the sale of any consumable food, beverage or non-food item upon any publicly-owned City property including but not limited to streets, sidewalks, parks, rights-of-way, parking lots and other public grounds owned by the City. The provisions of this chapter are enacted for the protection of the health, safety, and welfare of the citizens of the City.