# Build System Variable Glossary

{{ def_docs['frontmatter']['description'] }}

{% for key, val in def_docs|dictsort %}
### {{ key }}

{{ val['description'] }}

Default value:
```
{{ val['defval_pp'] }}
```

Used in:

{% for file in val['reflist']|sort(attribute='path') -%}
 - [{{ file.path }}]({{ file.link }})
{% endfor -%}

{% endfor %}