It would help to know what version of TW you're using, and what examples you were looking at.
It kind of sounds like you might have stumbled across a page for the old TW, TWC. The look of TW5 has changed only a little over the last few years.
Type "how" into the search box at
tiddlywiki.com and you'll find lots of how-tos.
A great resource when looking for information is the TiddlyWiki Toolmap:
Good luck!
-- Mark