To edit an article: click "Edit this page" at the bottom of any article. Or, click "edit" on the right-hand side of a section header. When you are done editing, add a note about what you did in the "Summary" box, and click "Save page". These summaries help other editors keep track of an article's history.
To create a new article:
- Type the name of the article you want to make in the search box on the left.
- Click "Go".
- You should see a list of search results. At the top, there's a link that says "create this page." Click it.
- You'll see a big text box. Type the article into there, and when you're done, click "Save page".