# JOLLI-1414 Atlas > Atlas theme pack fixture. Single Docs tab with Concepts/Guides/Reference as Groups in the sidebar, plus a dedicated OpenAPI tab and a Community Menu. - [Advanced](https://testmctest-newtenant.local.jolli.site/advanced): A longer page used to verify Atlas's right-rail "On this page" rendering with multiple H2/H3 levels. - [Architecture](https://testmctest-newtenant.local.jolli.site/architecture): A short architecture page used to verify Atlas-pack rendering of multi-paragraph content with code blocks and inline code. - [Atlas Pack — BYOR Fixture!](https://testmctest-newtenant.local.jolli.site/): Validates that the Atlas theasdfasdfsddfasadfdsame pack renders correctly for a Git-backed site. The pack uses a different navbar/sidebar layout than Forge, so a happy build here proves the… - [Data Model](https://testmctest-newtenant.local.jolli.site/data-model): A small reference table to test that Atlas renders Markdown tables consistently. - [Glossary](https://testmctest-newtenant.local.jolli.site/glossary): A leaf reference page (no folder index) to verify that flat reference URLs work for Atlas. - [Quickstart](https://testmctest-newtenant.local.jolli.site/quickstart): Five steps. Each one is one command. ## API Reference - [API](https://testmctest-newtenant.local.jolli.site/api-api): Tiny order-management spec; one endpoint, one schema. Used to verify Atlas's API-reference page rendering.