You might be looking for:
- Wikipedia:About, a broad, information dense, introduction for visitors to Wikipedia;
- Wikipedia:Wikipedia is an encyclopedia, an in-your-face exposition summarizing Wikipedia:What Wikipedia is not;
- Wikipedia, Wikipedia's article about itself;
- Wikipedia:WikiProject Wikipedia, the WikiProject dedicated to improving Wikipedia's coverage of itself;
- List of Wikipedias, a list of all the ~300 different language editions of Wikipedia;
- Wikipedia:Wikipedians, a summary page about Wikipedian editors;
- Wikipedia (disambiguation), other things Wikipedia can refer to.