<keywords>

<keywords> (keywords) 包含標明文件主題或性質的關鍵詞或字詞列表。 [2.4.3 The Text Classification]
組件 header — The TEI Header
屬性
scheme⚓︎ 標明相關關鍵詞所使用到的詞彙範圍。
狀態 非必備的
資料類型 teidata.pointer
可包含在於
header: textClass
可包含
core: list term
註

Each individual keyword (including compound subject headings) should be supplied as a term element directly within the keywords element. An alternative usage, in which each term appears within an item inside a list is permitted for backwards compatibility, but is deprecated.

If no control list exists for the keywords used, then no value should be supplied for the scheme attribute.
例子
<keywords scheme="http://classificationweb.net">
 <term>李白</term>
 <term>詩人 - 唐代 - 傳記</term>
</keywords>
Content model 
<content>
 <alternate>
  <elementRef key="term" minOccurs="1"
   maxOccurs="unbounded"/>
  <elementRef key="list"/>
 </alternate>
</content>
宣告 
<rng:element name="keywords">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.global.source.attributes"/>
 <rng:optional>
  <rng:attribute name="scheme">
   <rng:ref name="teidata.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:choice>
  <rng:oneOrMore>
   <rng:ref name="term"/>
  </rng:oneOrMore>
  <rng:ref name="list"/>
 </rng:choice>
</rng:element>
element keywords
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.global.source.attributes,
   attribute scheme { teidata.pointer }?,
   ( term+ | list )
}