Star schema tables bring the entities combine the data from the fact dimension tables (aka factsdimensions) and dimension fact tables (aka dimensions) together. facts) to provide the parties in the various domains within the company with information and data to make informed decisions regarding the future of the company, such as:
Sales - SalesInvoiceItemSarSchema and SalesOrderItemStarSchema
Producement - PurchaseInvoiceItemStarSchema and PurchaseOrderItemStarSchema
Manufacturing - AssetUtilisationStarSchema
ProjectManagement - ResourceUtilisationStarSchema
etc.
In the OFBiz BI components fact star schema tables are structured as view-entities.