I'm not sure if understood properly, but try to help.
The menu can be hard coded - with proper links: for instance domain.com/index.php/pressrevievs or if using pretty URLs domain.com/pressrevievs. It's not the best way, but possible.

And the pages you are creating by adding subpage to homepage (or another, as your tree says), so they are not located in themes or root, but they are added to proper places by the engine of c5. Templates for them you have to add to your theme... Becouse I understand, that you are changing your site to a template, and then creating a site by c5, aren't you?

Thanks for responding. The site is built already and all the pages are created in a static html site. I want to convert the site to C5 and don't understand where to put the pages in the directory. For instance, I have an converted index.html to default.php in the theme folder. I have other pages linked to the nav - "about bob" for example. Where do I put this page and what would the link on the nav be? Right now the link is aboutbob.html.
I hope I'm explaining this clearly. I really appreciate your help.

I figured it out. I really needed to read through the documentation and forum posts about pages and page types.

@jchick I'm having the same issue. How did you end up working this?