For the purpose of this article, the following words and terms shall have the meaning indicated, unless the context clearly indicates a different meaning: (a) "Person" means any individual, firm, partnership, corporation or association; (b) "Public livestock market" means a place where livestock may be assembled for sale by any means generally recognized by the farm community and the trade; (c) "Livestock" means cattle or swine; (d) "Grade" means the standard by which the quality of livestock may be determined; (e) "Department" means the South Carolina Department of Agriculture.