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

# Glossary

# Glossary

* **App Bridge** — Shopify library that embeds Rate Lab inside the admin and issues session tokens.
* **Function Object** — The `function` field returned by the IDE API, containing `id`, `name`, and `src`.
* **Liquid Context** — JSON payload that Shopify supplies to your shipping function for evaluation.
* **Monaco Editor** — The VS Code engine powering the template and JSON panels inside Rate Lab.
* **Phoenix Channel** — WebSocket connection named `template:{function.id}` used for live updates.
* **Rate Check** — A saved shipping scenario accessible via `/api/shopify/rate_check.json`.
* **Rendered Attrs** — The evaluated Liquid output that Shopify reads to display shipping rates.
* **Shopify Rate Function** — Liquid template that calculates shipping rates based on cart details.