In this subtitle the following words have the meanings indicated. “Attorney General” means the Attorney General of Maryland or his designee. “Commodity” means goods, wares, merchandise, machinery, supplies, or any other articles in trade or commerce. “County” includes Baltimore City. “Court” means the circuit court of a county. “Person” includes an individual, corporation, business trust, statutory trust, estate, trust, partnership, association, two or more persons having a joint or common interest, or any other legal or commercial entity. “Service” means any activity performed in whole or in part for the purpose of financial gain, and includes any sale, rental, leasing, or licensing for use. “Trade or commerce” includes all economic activity within the State which involves or relates to any commodity or service.