Epilepsy can also develop as a result of brain damage from other disorders including brain tumors, alcoholism, Alzheimer's disease, strokes, and heart attacks. Epilepsy is also associated with a variety of developmental and metabolic disorders. Other causes include head injury, prenatal injury, and poisoning.
Legal Definition of commerce. 1  1 : the exchange or buying and selling of goods, commodities, property, or services especially on a large scale and involving transportation from place to place : trade 2 â see also commerce clause, Fair Labor Standards Act. 2  2 : the act of engaging in sexual intercourse.
Definition of trade for Students. 1 : the business or work in which a person takes part regularly : occupation. 2 : the business of buying and selling items : commerce. 3 : an occupation requiring manual or mechanical skill : craft. 4 : an act of trading : transaction. 5 : the persons working in a business or industry.