Do you mean the lang/(LANGUAGE)/help/wiki/initialcontent/ one ?
Let us assume that you want to have new initial content called "myLesson". You need an english version as default in lang/en/help/wiki/initialcontent/myLesson/ (or just the directory
). Then you can also create a local version in lang/de/help/wiki/initialcontent/myLesson/ for example. There you can fill in textfiles or export the content of an existing wiki with the tools, supplied with Erfurtwiki. The main page is called "WikiIndex".
Was this of use for you ? I am glad if I can help.