As used in this article, the following terms shall have the meanings indicated:
Any person who, for himself or for another person, firm or corporation, travels by foot, automobile or any other type of conveyance from place to place, from house to house, or from street to street, taking or attempting to lease or take orders for retail sale of goods, wares, merchandise or services, including, without limiting, the selling, distributing, exposing for sale or soliciting orders for magazines, books, periodicals or other articles of a commercial nature; the contracting of all home improvements; or for services to be performed in the future, whether or not such individual has, carries or exposes for retail sale a sample of the subject of such sale or whether he is collecting advance payment on such retail sales.