Glossary: a zone is a named area of a page model where editors add, remove and arrange components. Formerly called a module zone.
A zone is a named area of a page model where editors add, remove and rearrange components, such as a main content zone or a sidebar zone. A page model can have one zone or several, and developers decide which components can appear in each.
When your site fetches a page, its components come back grouped by zone, in order, so your code can render each zone in the right place.
Also called: content zone, component zone. Formerly: Module Zone.