As used in this part, unless the context otherwise requires:
(1) “Commercial purpose” means litter discarded by a business, corporation, association, partnership, sole proprietorship, or any other entity conducting business for economic gain, or by an employee or agent of the entity;
(2) “Garbage” includes putrescible animal and vegetable waste resulting from the handling, preparation, cooking and consumption of food;
(3) “Litter” includes garbage, refuse, rubbish and all other waste material, including a tobacco product as defined in § 39-17-1503 and any other item primarily designed to hold or filter a tobacco product while the tobacco is being smoked;
(4) “Refuse” includes all putrescible and nonputrescible solid waste; and
(5) “Rubbish” includes nonputrescible solid waste consisting of both combustible and noncombustible waste.