Inserting a Link
From within the article editor, highlight the text that wish to make linkable, and click the Insert / Edit Link button
A pop up window will appear. Type the link URL in this window. Choose a target for you link. If you are linking to an external website outside of your own, it's always a good idea to make the target "Open link in a new window", so that your website continues to remain open on the viewers browser.
Click Insert and then Save your article.
If you wish to disable the link, just highlight the linked text, and click the Unlink button. This will delink the text for you.