Integrates internal and external management information across an entire organization, embracing finance/accounting, manufacturing, sales and service, customers, and HR, etc. ERP systems automate this activity by way of an integrated software application in order to facilitate the flow of information between internal business functions as well as external connections to outside stakeholders. Human resources activities that could be included within an ERP include payroll, training, benefits, pensions, recruiting, and diversity management. A key aspect of many VMS implementations is ERP integration.