Not getting cleared with internal working of JSF

Hi All,
I have started with basics of JSF and created some simple apps using netBeans.
However I am not getting cleared with the exact internal working of JSF i.e. how the things are implemented in JSF libraries: jsf-api and jsf-impl.
Please advice or share some links on this.
--Sushant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   

Hi,
While creating JSP custom tags, we start from scratch by first creating tag handler class then .tld file for that and finally deploying both these files.
I am looking for a similar approach for making our own JSF component.
I don't want to put jsf-impl API into lib directory. Is it possible to make a simple component using jstl standard libraries ?
--Sushant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

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