A bit vague at the moment, but what it ultimately will allow you to do is create a floorplan of your home and dynamically drag&drop sensors on them (in the designer) or view the status of sensors placed around the home (in the view-mode).

Requires PHP, MYSQL, Javascript capable browser

See http://awooga.nl/wp-content/uploads/2009/02/tinplh-thoughts.pdf for some more vagueness.