As used in this chapter, the following terms shall have the meanings indicated:
One or more persons of either sex, natural persons, corporations, partnerships, associations, joint-stock companies, societies and all other entities of any kind capable of being used.
Any person who goes from place to place or house to house or who stands in any street or public place taking or offering to take orders for goods, wares or merchandise, except newspapers or milk, or for services to be performed in the future or for making, manufacturing or repairing any article or thing whatsoever for future delivery.
Except as hereinafter expressly provided, any person, either principal, agent, officer or employee, who, from any boat or motor vehicle or on a railroad tract or in any public street or public place or by going from house to house or place of business to place of business on foot or on or from any animal or vehicle, sells or barters, offers for sale or barter or carries or exposes for sale or barter any goods, wares or merchandise, except milk or newspapers.