If you are allowed to edit pages in this Site, simply click on edit button at the bottom of the page. This will open an editor with a toolbar pallette with options.
To create a link to a new page, use syntax: [[[new page name]]] or [[[new page name | text to display]]]. Follow the link (which should have a different color if page does not exist) and create a new page and edit it!
For a complete list of the wiki syntax (the code used to make bold or italicized text, add links, or do anything else to the text of an article), check out Doc:Wiki Syntax. The WikiDot site also has other Documentation pages that explain other ways articles can be modified.
Feel free to post questions, comments, suggestions or ideas in the BSC Wiki forum!