Using the Theme Explorer
Select a theme from the list provided by clicking it, a list of resources within that theme will be displayed.
At the top of the page you'll see an area indicating the theme you are currently viewing, along with a 'Start Again' option, click this to reselect a new main theme.
Where appropriate, you'll also see a list of sub-themes that the current theme you are looking at contains, along with the number of resources for that sub-theme. Clicking on one
of these will take you to that sub-theme. This process can be repeated for any sub-themes which are contained at the current level.
You can use the 'breadcrumb' links at the top of the page to traverse to any level within the list you have selected.