Page Layouts, Page Templates and Display Templates
Are you getting confused between Page Layouts, Page Templates and Display Templates?This article explains the SharePoint 2013 Page Model, for all to understand. It's also nice to send to users.
Check it out:
Overview of the SharePoint 2013 page model:
http://msdn.microsoft.com/en-us/library/office/jj191506(v=office.15).aspx