Subpage Default
Overview
You have two subpage templates to choose from. The first is the "Subpage Default", which displays your page with a sidebar and a sidebar navigation. Your template "Subpage Default" is your default page template, and the "Style Guide" page has been setup to display your site default styles.
You can add sidebar sections to display down the right hand side of the page, and we have some preset sidebar monklets available - see overview here.