[support] Is there any sort of map/overview/tree in Drupal?

I'm trying Drupal for a second time (I'm a glutton for punishment!) and I've installed Drupal 5.1. I can understand the basics and I can create content etc. but what I lack is a way to see the structure of the web site I'm creating. Is there anywhere in Drupal where I can see a list of pages that I have created, preferably with some sort of indication of the connections between them? -- Chris Green (chris@halon.org.uk)