Queries on Auditing

Hi,

Is there a documentation specific to Auditing in BOE 3.1 Sp3 ?

We have enabled auditing for Document edition and format applied.

In the audit report we are able to see that the report is edited by a user, but we need to know what the user has edited like did the user added a column ,removed a column, modified the measure objects etc...

Can we get these details from Activity universe ? If yes, which column in activity universe contains these values

We are on BOE 3.1 Sp3

Oracle 11g as cms and audit db

Linux

Regards,

Rohit Vamsi