Every page on Wikipedia is a collaborative effort. But there are some special places reserved for specific types of discussion and assistance. Find what you're looking for here:
Help (contents) — Use this if you need help editing. There is also a comprehensive range of help articles available here. You can ask a question about using Wikipedia at the Help Desk.
The Village Pump — These are main discussion forums for Wikipedia.
The Signpost — This is Wikipedia's local newspaper.
The Community Portal — This is the center of community involvement. Learn about projects and activities you can join to help improve Wikipedia.
Collaborations — Weekly, monthly, and ongoing collaborative article improvement drives within specific subject areas.
Reference Desk — Help other Wikipedians who are looking for specific information by answering their subject-related questions at the reference desk (like a library's information desk).
Local Embassy — For Wikipedia-related communication in languages other than English.
Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects: