Electronic business is any information system or application that empowers business processes. Today this is mostly done with web technologies.

1- E-business includes

Applications can be divided into three categories:

1) Internal business systems:

       customer relationship managemet(CRM)

       enterprise resource planning (ERP)

       employee information portals

       knowledge management (KM)

       workflow management (WM)

       document management systems

       human resource management(HRM)

       process control (PC)