<purpose>

<purpose> 描述該文本的一項目的或溝通功能 [15.2.1 The Text Description]
組件 corpus — Language Corpora
屬性 att.global (@xml:id, @n, @xml:lang, @xml:base, @xml:space) (att.global.rendition (@rend, @style, @rendition)) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) (att.global.responsibility (@cert, @resp)) (att.global.source (@source)) att.typed (type, @subtype)
type 說明一項特定類型的目的。
Derived from att.typed
狀態 非必備的
資料類型 teidata.enumerated
被推薦的值包含:
persuade
教導、廣告、宣傳等
express
自我表達、自白等
inform
傳達訊息、教育等
entertain
消遣、娛樂等
degree 說明該目的所佔的重要性程度。
狀態 非必備的
資料類型 teidata.certainty
可包含在於
corpus: textDesc
可包含

Usually empty, unless some further clarification of the type attribute is needed, in which case it may contain running prose

例子
<purpose type="persuadedegree="high"/>
<purpose type="entertaindegree="low"/>
Content model
<content>
 <macroRef key="macro.phraseSeq.limited"/>
</content>
宣告
<rng:element name="purpose">
 <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:ref name="att.typed.attribute.subtype"/>
 <rng:optional>
  <rng:attribute name="type">
   <rng:choice>
    <rng:value>persuade</rng:value>
    <rng:value>express</rng:value>
    <rng:value>inform</rng:value>
    <rng:value>entertain</rng:value>
    <rng:ref name="teidata.enumerated"/>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="degree">
   <rng:ref name="teidata.certainty"/>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.phraseSeq.limited"/>
</rng:element>
element purpose
{
   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,
   att.typed.attribute.subtype,
   attribute type
   {
      "persuade" | "express" | "inform" | "entertain" | teidata.enumerated
   }?,
   attribute degree { teidata.certainty }?,
   macro.phraseSeq.limited
}