Multi Org Structure

Major implementation projects usually includes complex organizational structures like having different hr groups or different ledgers etc.
Oracle. And different scenarios may occur like; a person accesses data in a different company or doing work of a different company. To manage these kind of complex structures Oracle offers a hierarchical structure and Multi Org Access Control setups:
Business groups
Primary ledgers
Legal entities
Operating units
Inventory organizations

Detailed information about multi org structure in Oracle below documents can be examined:
Multi Org Access Control (MOAC) in Oracle Purchasing [ID 397362.1]
Oracle® E-Business Suite Multiple Organizations Implementation Guide Part No. E13423-03