Latin commercium . The interchange or mutual change of goods, productions, or property of any kind, between nations or individuals. A Dictionary of Law 1893 . All labor is commerce. All transportation is commerce.
All intellect exchanges are commerce.
All the above become commodities of commerce. Chattel personal . A mortgage of or against personal or movable property. Merriam Webster's Dictionary of Law 1996. Any species of property not real estate or freehold.