Based on "The Data Mode Resource Book"
A normized universal data model
Currently has 490 entities and close to 2000 relations
Accounting (budget, fixed asset, invoice, ledger, payment)
Human Resource (ability, employment, position)
Marketing (campaign, contact, tracking)
Order (order, quote, request, shopping cart, shopping list)
Party (agreement, communication, contact, need, party)
Product (catalog, catetory, cost, feature, inventry, price, product, promo, storage, supplier)
Shipment (issuance, receipt, route, shipment)
Workeffort (schedular, timesheet, workeffort)
Workflow