Microsoft Dynamics NAV 2009 is an Enterprise Resource Planning (ERP) system. As its name suggests, it is a computer system that is used to plan and co-ordinate the resources of an enterprise in order to increase profitiablity through increased efficiencies; the resources of the enterprise that are typically managed using an ERP system are fixed assets, employees, inventory, capital.
Microsoft Dynamics NAV 2009 comprises a series of integrated application areas (or modules) that allow a single system to cater for a wide variety of businesses.