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.
E-commerce is a transaction of buying or selling online. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.