they elgg (sic) team deleted it ? such wonderfully usefull content and they deleted ?? http://docs.elgg.org/wiki/Plugin_development some | a lot of what you're looking for cannot be 'answered' here in a few short sentences;; you'll need to spend *hours studying to learn what-to and how-to.
I went through a fair amount of documentation and I do start to undestand it a bit more.
I will keep playing with it and ask when i need, thanks.
I also found this guide which help a bit to understand some basic stuff
http://www.solutiongrove.com/docwiki/beginners_elgg_guide
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