As used in this chapter, the following terms shall have the meanings indicated:
Any person, firm, organization or corporation who sells tangible commodities from house to house, store to store or upon City streets or in any public place and who makes delivery at time of sale.
Any person, firm, organization or corporation seeking to obtain orders for the purchase of goods, wares, merchandise or services of any kind, character or description whatever, for any kind of consideration whatever; or seeking to obtain prospective customers for application or purchase of insurance of any type or character; or seeking to obtain subscriptions to books, magazines, periodicals, newspapers and every other type or kind of publication; or seeking to obtain gifts, donations or contributions of money, clothing or other valuable things for support or benefit of any charitable nonprofit association, organization, corporation or project.