What are features of Enterprise Resource Planning (ERP)?

ERP covers all the areas of business manufacturing, marketing, selling, accounting, human resource, purchases etc.
IERP provides multi-facility, multi-platform, multi-modes.
ERP performs all the core activities which also increases customer satisfaction.
It supports all the business planning activities.
ERP integrates not only business processes of all the departments in an organization but also integrates across entities within same organization.