# Glossary

```{glossary}
Skeleton
  The markup provided in the `basic-ng` theme that implements a responsive 3-column layout.

Sections
  Major areas of a page (e.g. sidebar, top bar, footer).

Components
  Snippets of HTML that you put inside of sections, that use the template variables provided by Sphinx to compose common UI patterns for documentation websites (eg: breadcrumbs).
```
