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.
Trade refers to buying and selling of goods and services for money or money's worth. It involves transfer or exchange of goods and services for money or money's worth. The manufacturers or producer produces the goods, then moves on to the wholesaler, then to retailer and finally to the ultimate consumer.