There are mainly two type of library in Template.fmb
[a] Core Lib
[b] Application specific libraries

CORE Libraries are:
1. APPCORE.pll : This is used for Application Standards specific uses
2. FNDSQF.pll : Descriptive Flexfields, Currency, Concurrent Request Submission, Record History, Message Dictionary
3. APPDAYPK.pll : Calendar popup
4. CUSTOM.pll : Customizations of standard forms
5. VERT.pll : Specific industry features
6. GLOBE.pll : Global or regional features
7. JA.pll : Asia/Pacific features
8. JE.pll : Europe/Middle East/Africa features
9. JL.pll : Latin America Code

Thanks

Sandeep JAIN