In versions of VSys prior to 3.1, there was a single template available for VSys Live sites, and it wasn't very flexible. The new mechanism supports:
Of course you can continue to use your existing site, but migrating to the new site templates brings a lot of benefits!
VSys comes with one or more built-in site templates (as of this writing there are five, but only Apex is fully supported.) Site templates define the regions available on VSys Live pages, as well as options for CSS and page layout. Each site template defines:
Okay, so what does this mean? Flexibility. In addition to your site's being able to have multiple page layouts, and have each page be very configurable, it also means that we can build you new or modified site templates and not have to reprogram VSys to do so!
Editing the built-in site templates or creating your own isn't supported. Doing so is very complicated, fraught with opportunities for obvious and subtle errors, and also not documented.