The idea of "regions" are important to:
As an overview, consider the following details in your next Functional Design:
- Experience Manager (XPM), SDL Tridion's in-context editing interface, where XPM regions allow content placement
- Smart Target, the connection between SDL Tridion and Fredhopper, where ST regions show certain content based on things like search terms or visitor or session-based triggers (and show fallback content when nothing triggers)
- Content Management System (CMS) Functional Designs for (SDL Tridion), where "regions" identify where content types are allowed and in what quantities
As an overview, consider the following details in your next Functional Design: