The Starter Page is designed with 2 purposes. Firstly, it's a quick way start building a site with a landing page, a couple of Sections and a footer and also SEO, SiteStyles all ready to start building.
Secondly, it is a good place for new Foundation users to start exploring. The 2 main modules included, i.e. a 2 Column equalised layout and a 2 Column with text and an image with a link, are a great place to start learning. Additional notes are provided with some outline guidance on how to proceed.