Some of the Key Flexfields in Oracle Apps

General Ledger
1. Accounting KFF(GL_CODE_COMBINATIONS)

Accounts Receivables
1. Sales Tax KFF(AR_SALES_TAX)
2. Territory KFF(AR_TERRITORY)

Fixed Assets
1. Asset KFF (FA_KEYWORDS)
2. Category KFF
3. Location KFF(FA_LOCATION)

HRMS
1. Grade(PER_GRADE)
2. Item
3. Job(PER_JOB_DEFINITIONS)
4. Position(PER_POSITION)
5. Personal Analysis
6. Soft Coded

Inventory
1. Account Aliases
2. Item Catalogs
3. Item Categories(MTL_ITEM_CATEGORY)
4. Sales Order
5. Stock Location
6. System Item(MTL_SYSTEM_ITEM)

Pay Roll
1. Bank Details
2. Cost Allocation
3. People Group