Textpattern CMS Template Tags , structural category

<txp:css />
Outputs the URL of the style sheet assigned in the Sections tab.
<txp:category />
Displays category information as defined by the name attribute, or the one currently being viewed.
<txp:category_list />
Used to produce a list of linked categories.
<txp:feed_link />
Outputs an XHTML link to the site's articles' RSS or Atom feeds.
<txp:hide />
Suppress the interpretation of all enclosed contents.
Will execute the contained statements if the current section is the first in the currently displayed list.
Will execute the contained statements if an individual article is being displayed.
<txp:if_last_section />
Will execute the contained statements if the current section is the last in the currently displayed list.
<txp:if_section />
Will execute the contained statements if the called page is part of the section specified.
<txp:lang />
Returns the 2-letter code of the site's language.
<txp:link_feed_link />
Returns an XHTML link to the site's links RSS feed.
<txp:meta_author />
Retruns an HTML meta tag with the Author's name.