<purpose>

<purpose> characterizes a single purpose or communicative function of the text. [16.2.1 The Text Description]
Module corpus — Language Corpora
Attributes
type⚓︎ specifies a particular kind of purpose.
Derived from att.typed
Status Optional
Datatype teidata.enumerated
Suggested values include:
persuade
didactic, advertising, propaganda, etc.
express
self expression, confessional, etc.
inform
convey information, educate, etc.
entertain
amuse, entertain, etc.
degree⚓︎ specifies the extent to which this purpose predominates.
Status Optional
Datatype teidata.certainty
Note

Values should be interpreted as follows.

high
this purpose is predominant
medium
this purpose is intermediate
low
this purpose is weak
unknown
extent unknown
Contained by
corpus: textDesc
May contain
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: abbr address cb choice date distinct ellipsis email emph expan foreign gap gb gloss hi index lb measure measureGrp mentioned milestone name note noteGrp num pb ptr q ref rs soCalled term time title unit
dictionaries: lang
figures: figure notatedMusic
header: idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material objectType origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc climate country district eventName forename genName geo geogFeat geogName location nameLink objectName offset orgName persName persPronouns placeName population region roleName settlement state surname terrain trait
spoken: incident kinesic pause shift vocal writing
tagdocs: att code gi ident listRef tag val
textcrit: app witDetail
transcr: addSpan am damageSpan delSpan ex fw listTranspose metamark space subst substJoin
character data
Note

Usually empty, unless some further clarification of the type attribute is needed, in which case it may contain running prose
Example
<purpose type="persuade" degree="high"/>
<purpose type="entertain" degree="low"/>
Content model 
<content>
 <macroRef key="macro.phraseSeq.limited"/>
</content>
Schema Declaration 
<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
}