This document provides a wireframe guide for building email templates with different sections and components. It outlines the top-level sections like header, primary content, secondary content and footer. It then describes various content components that can be used to design these sections, including images, text boxes, call-to-action buttons, quotes, tables and more. The guide provides examples of how these components can be arranged and styled within the email sections. It also includes some business-to-consumer specific sections like product details and cart abandonment.