You can link to other Pages in your group.
Click the Pages link.
Click the title of the page you want to edit.
CLick Edit button.
In the Rich Content Editor, place your cursor where you wish to insert the link.
In the Content Selector, click the name of the page you want to insert into the Rich Content Editor [1]. The name of the page will appear in the Rich Content Editor and flash yellow. Then the name will turn blue, indicating it is a link [2].
Click the Save changes button.