FND,AD,AU schemas in Oracle APPS.

HI!

Does anyone has anyidea on the following topics as below:

1.Utilities of FND,AD,AU schemas in Oracle APPS.
2.Workflow Knowledge.
3.Sysadmin Loaders.
4.Self Service Application Issues.
5.Application Monitoring Tools.

Thanks a tonne for your time & valuable suggestions!

Thanks&Regards,

Amit.