For the purposes of this chapter, the following words and phrases shall have the meanings respectively ascribed to them by this section:
A person who is engaged in the sale of new automobiles and who holds a franchise for the sale of new automobiles. The licensing provisions of this chapter shall not apply to "new automobile dealers."
Any indoor or outdoor space used or occupied for the business of selling, buying or dealing in used motor vehicles.
Any automobile or motor vehicle that has been previously sold or used.
A person engaged in the business of selling, buying or dealing in used motor vehicles.