For a big website, in PW contest, there might have many non-content pages.
Non-content pages are referring to those, log-in, log-out, register, store-check-out and etc
which are just a template container response to a front-end url path.
As an site content editor, these pages are not necessary to show at back-end with this user role.
These pages are meaningful to a site builder, site administrator
What roles should I set on these templates, so that they cannot be see by a content editor at back-end