> What I would like to know is what the directory
> prefixes mean?> 
> eg.
> <Q://My> Web Sites/xxxxxxx/svs.XXXXXX.XXX_8080
> <Q://My> Web Sites/xxxxxxx/svm.XXXXXX.XXX
> <Q://My> Web Sites/xxxxxxx/dir.XXXXXX.XXX

My Web Sites is your Base Path (QUI page one below the Project name)
xxxxxxx is your Project Name.

The rest are determine by the mirror settings and the site(s)

In this case you either specified options -> Build -> Local Structure = " Html
in site_name/, images/other file in site_name/images/" or some other settings
allowed httrack to get some files not on the original site.

svs.XXX.XXX_8080 = svs.site.com on port 8080
svm.xx.xxx = svm.site.com on port 80