> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wavecentric.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Zones & Geographical Areas

> Defining geographical perimeters and terminal zones for logistics routing.

The **Zone** registry defines the spatial boundaries used to calculate transit paths and service connections.

## Key Features

* **Zone Definitions**: Grouping nodes or geographical coordinates into logical clusters.
* **Routing Logic**: Used by the **Chain Design** module to determine valid pickup and delivery perimeters.
* **Node Linking**: Associating specific terminals or warehouses with a functional zone.