Commerce. The exchange of goods, products or property of any kind. The buying, selling, and exchanging of articles. The transportation of persons and property by land, water and air.

Intercourse by way of trade and traffic between different peoples or states and the citizens or inhabitants thereof, including not only the purchase, sale and exchange of commodities, but also the instrumentalities and agencies by which it is promoted and the means and appliances by which it is carried on, and transportation of persons as well as of goods, both by land and sea. Also, interchange of ideas, sentiments, etc., as between man and man."

Does that clear up anything??

Michael Siskin