Oracle WebLogic Server Basic Concepts - Domain, Admin server, Managed Server

I found this great resource to answer the following questions:

1. What is a weblogic Domain?
2. What is a Weblogic Admin Server?
3. What is a Managed Server?
4. What is a Weblogic Cluster

and many more basic conscepts of weblogic Server.

Please go to this link: Oracle WebLogic Server Basic Concepts

This will be an eye opener presentation, if you are new to Weblogic Server.