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

# Quickstart

> Get up and running with Charlie

Charlie is organized into four main sections:

## Locations

Configure your fulfillment locations—warehouses, stores, 3PLs. Set up location types, tags, and daily capacity limits.

<Card title="Locations" icon="location-dot" href="/locations/overview">
  Learn more
</Card>

## Fulfillment Constraints

Block locations from fulfilling specific orders. Use product, customer, cart, inventory, or capacity rules to create hard restrictions.

<Card title="Constraints" icon="ban" href="/constraints/overview">
  Learn more
</Card>

## Order Routing

Prioritize which locations fulfill orders first. Rank locations based on groups, product, customer, cart, inventory, or capacity rules.

<Card title="Order Routing" icon="route" href="/order-routing/overview">
  Learn more
</Card>

## Safety Stock

Reserve inventory at each location to prevent overselling. Configure rules by product, collection, or location.

<Card title="Safety Stock" icon="shield" href="/inventory/safety-stock">
  Learn more
</Card>