This blog post contains information about the fields in the Layout section of the standard template in the Sitecore ASP.NET web Content Management System (CMS) and Experience Platform (XP). For more information about the standard template and topics mentioned in this blog post, see the links in the Resources section at the end of this page.
The Layout section of the standard template contains the following fields that control how Sitecore renders an item:
I cannot guess what happened to alphabetic order here. *Maybe* these are ordered by something like expected frequency of use.