site: Site wide information + configuration settings from_config.yml. See Site Variables details.page: Page specific information + the front matter. Custom variables set via the front matter will be available here. See below for details.layout: Layout specific information + the front matter. Custom variables set via front matter in layouts will be available here.content: In layout files, the rendered content of the Post or Page being wrapped. Not defined in Post or Page files.paginator: When thepaginateconfiguration option is set, this variable becomes available for use. See Pagination for details.