Reference tiddlers offer raw information in a comprehensive interlinked way. The reader is likely to be an intermediate or expert user.
There are several subcategories:
Reference material is written in a terse, formal style that avoids referring to the reader, and instead focuses on how TiddlyWiki itself behaves. The passive voice is often suitable:
Most contracted verb forms are avoided in reference tiddlers. But those ending in "n't" ("aren't", "doesn't", "hasn't", "isn't", etc) are acceptable, as they make it less easy to accidentally overlook the word "not".