<p>Please confirm the locations of this Moodle installation.</p>

<p><b>Web address:</b>
Specify the full web address where Moodle will be accessed.  
If your web site is accessible via multiple URLs then choose the 
most natural one that your students would use.  Do not include 
a trailing slash.</p>

<p><b>Moodle directory:</b>
Specify the full directory path to this installation
Make sure the upper/lower case is correct.</p>

<p><b>Data directory:</b>
You need a place where Moodle can save uploaded files.  This
directory should be readable AND WRITEABLE by the web server user 
(usually 'nobody' or 'apache'), but it must not be accessible 
directly via the web. The installer will try to create it if doesn't exist.</p>