Moving from www.example.com/wordpress to www.example.com

[imisidro]

I have created my site in http://www.womenhomebusiness.com/wordpress and now I want to move the Wordpress to http://www.womenhomebusiness.com

I have read the http://codex.wordpress.org/Changing_The_Site_URL and tried to follow the instructions and must have screwed up because the old site is still showing up. The Wordpress version was not visible, though I check on my phpadmin and verified in the database -- wp_options table and the site_url under the options name that the Wordpress site now has indeed moved to http://www.womenhomebusiness.com

I have some basic questions:

1 - What does moving to "root directory" mean? In FTP, does it mean the same level as the www or inside the www as all the other files are? My webhost said it cannot be the same level as www, and it has to be inside. So I moved everything under www

2 - What files should I move? Should I move all files, or just some key files?

I was able to access wp-login.php last night, but all pages because Internal 500 error, and my homepage and all pages were still showing the old site. It's a good thing I backed up everything and moved them back again to http://www.womenhomebusiness.com/wordpress

I know this is more of a Wordpress question, but I am not getting any response from their forum and I am hoping someone here could direct me to a better resource. Or better yet, if someone could answer the above questions for me.

Thanks