The following variables are built into TiddlyWiki's core:

• actionTiddler Variable
• actionTiddlerList Variable
• currentTab
• currentTiddler
• modifier Variable
• namespace
• storyTiddler
• thisTiddler
• transclusion
• tv-history-list Variable
• tv-show-missing-links Variable
• tv-story-list Variable
• tv-tiddler-preview

The core will also use various configuration variables and macros if you define them:

• tv-adjust-heading-level
• tv-auto-open-on-import
• tv-config-static
• tv-config-toolbar-class
• tv-config-toolbar-icons
• tv-config-toolbar-text
• tv-filter-export-link
• tv-get-export-image-link
• tv-get-export-link
• tv-get-export-path
• tv-wikilink-template
• tv-wikilink-tooltip
• tv-wikilinks