AOL - Elementary

1. Use the 'Organization Access' [R -> System Administrator] form to map responsibility with access to one or more org. Backend --> org_access_v
2. a
3. Flexfields:

Key Flexfields (KFF) --> Owned by one application, used by many. Required to setup, usage is optional. Support intelligent keys. 

Descriptive Flexfields (DFF) --> Associated with tables in specific application. Setup optional. No intelligence, stores additional info.