You'll have to ask ChristTrekker about the serial number thing, but if you already have a page, say "drawing programs" and you want to add a link to a page, just add the text of the link you want to add.

[[New Page Here]] links to a page called "New Page Here"

You can alos use the pipe character to link to a specific page, but use different text for the link.

"For more information about these concepts, visit the New Page Here page, whic his located [[New Page Here|here]]."