This document provides an overview of Enterprise Resource Planning (ERP) systems and Oracle Applications. It defines ERP as software that integrates organizational processes and functions. It describes benefits like information sharing and enterprise-wide views. It also lists major ERP products like Oracle, SAP, and JD Edwards and popular Oracle Apps modules like HR, finance, and sales. It provides information on accessing Oracle Apps instances and assigning user responsibilities. Finally, it discusses common Oracle Apps constructs like reports, interfaces, conversions, and enhancements.