This document discusses the importance of properly designed and erected roof trusses. It notes that homeowners and developers must trust that the trusses are built to industry standards. The document then provides details on: - How trusses are designed to span large distances and support loads - How trusses connect to wall plates and need to transfer loads properly - The importance of considering horizontal deflection in truss and wall design - Different types of truss supports and how they affect load transfer - Design considerations for truss supports over openings like garages