Oracle has published a really nice and useful Oracle WebLogic Server 11g Interactive Quick Reference under the following link http://www.oracle.com/webfolder/technetwork/tutorials/obe/fmw/wls/Poster/poster.html
The Quick Reference shows you an architecural overview of the Oracle WebLogic Server processes, tools, configuration files, log files and so on including a short description of each section and the corresponding link to the Oracle WebLogic Server Documentation.
In addition you can also download the architecural overview picture as a PDF under following link http://www.oracle.com/webfolder/technetwork/tutorials/obe/fmw/wls/Poster/pdf/Oracle-WebLogic-Server-11g.pdf
Its really a quite useful Quick Reference for everybody who is working with Oracle WebLogic Server.
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