log4net Hierarchy

Question

I have some mis-understanding of concepts in log4net. Actually i went through this link

http://logging.apache.org/log4net/release/manual/introduction.html[^]

They have given some Logger hierarchy some body explain me where exists this hierarchy,inheritance in my below config code pls..!!

below is my web.config code ::

 

<log4net threshold="OFF">

<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">

<file value="C:Pradeep\Log" />

<appendToFile value="true" />

<rollingStyle value="Date" />

<datePattern value="yyyyMMdd'.log'" />

<maxSizeRollBackups value="10" />

<maximumFileSize value="10MB" />

<staticLogFileName value="false" />

<layout type="log4net.Layout.PatternLayout">

<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />

</layout>

<filter type="log4net.Filter.LevelRangeFilter">

<levelMin value="ERROR" />

<levelMax value="FATAL" />

</filter>

</appender>

</log4net>