Permission types are not site-specific, but can be included in a template.
Scheduled tasks types are not site-specific, but can be included in a template. The import wizard does not check to ensure that the relevant extension for a scheduled task is installed, so only core scheduled tasks should be included in templates.
Site Pages, including modules, permissions.
Lists and list values
Site Role groups
xml namespace for the site export file.
A site export file can be used as a template for creating a new site.