Getting Started with Weblogic Server
By Luz Mestre-Oracle on Oct 01, 2013
However, that is the best way to understand How to use the product an What are the Best Practices and features.
You can take a quick look and read the details of what you really need.
Also "Admin Console Help" shows detailed steps of how to apply any changes in WebLogic console.
Finally, you can find in My Oracle Support Documents related to known issues or documentation gaps to fix issues you might be experiencing.