> For the complete documentation index, see [llms.txt](https://docs.zephyrintel.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zephyrintel.com/reference.md).

# Reference

This section collects the facts you look up: term definitions, permission rules, status values, shortcuts, file formats, and on-screen messages.

Use it for a precise answer fast: what a status means, which columns a CSV export includes, or what to do about a specific error message.

* [Glossary](/reference/glossary.md): Plain definitions for Signal's core terms, from "asset" to "spare sale".
* [Permissions reference](/reference/permissions-reference.md): Every permission key, what it allows, and the full permissions matrix.
* [Lifecycle states: drafts, active, archived](/reference/lifecycle-states-drafts-active-archived.md): What each asset lifecycle state means and who can move an asset between them.
* [Equipment status values](/reference/equipment-status-values.md): The six equipment status values, their definitions, and their color cues.
* [Keyboard shortcuts](/reference/keyboard-shortcuts.md): Every keyboard shortcut in Signal and where it works.
* **Screen-size behavior**: What changes in Signal's layout at each screen size.
* [CSV templates and column reference](/reference/csv-templates-and-column-reference.md): Exact columns for every import template and export file.
* [Error and validation messages](/reference/error-and-validation-messages.md): What each on-screen message means and what to do about it.
* [Known limitations (current release)](/reference/known-limitations-current-release.md): Behaviors you may run into today and how to work around them.