Portal:Help/Expand and create/Section 20

The editing toolbar makes inserting links easy:

File:Toolbar - Insert link.jpg

• 
  Insert link dialog box
• Begin typing in the Target page or URL to do a live search of existing articles
  Begin typing in the Target page or URL to do a live search of existing articles
• What you see when an article exists with the text you put in the Target page or URL
  What you see when an article exists with the text you put in the Target page or URL
• What you see when an article does not exists with the text you put in the Target page or URL
  What you see when an article does not exists with the text you put in the Target page or URL

Learn more about linking...