What does derivative mean
I felt like replying as well, explaining the same thing as the others a bit differently. I am sure you know most of this, but it might help someone else.
part is a commonly used way to make sure the link doesn't lead anywhere on it's own. the #-attribute is used to create a link to some other section in the same document. For example clicking a link of this kind:
will take you to wherever you have the
code. So if you specify # without any name like in your case, the link leads nowhere.
To find out where the URL is specified I would look
Search your source code for something like:
A faster way to find the link is to search for the actual link it goes to. For example, if you are directed to http://www.google.com/search?q=html when you click it, search for "google.com" or something in all the files you have in your web project, just remember the included files.
In many text editors you can open all the files at once, and then search in them all for something.Source: stackoverflow.com