tags: docs concepts title: Tiddlers modified: 201306010741 Tiddlers are the smallest unit of information in TiddlyWiki. Internally, tiddlers are an immutable dictionary of name:value pairs called fields. The only field that is required is the `title` field, but useful tiddlers also have a `text` field, and some or all of the standard fields listed below: * `title` - The unique title of the tiddler * `modified` - The date of the last modification to the tiddler * `modifier` - The name of the last person to modify the tiddler * `created` - The date the tiddler was created * `creator` - The name of the person who created the tiddler * `tags` - A list of tags applied to the tiddler * `type` - The ContentType that should used to interpret the content of the tiddler See TiddlerFields for a complete list of fields used in TiddlyWiki5.