<extent>

<extent> 描述電子文件儲存在某一承載媒介時的約略大小，標以任何適用的單位。 2.2.3 Type and Extent of File 2.2 The File Description 3.11.2.3 Imprint, Pagination, and Other Details
組件header — 2 The TEI Header
屬性att.global (@xml:id, @n, @xml:lang, @rend, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs))
屬於
model.biblPart
可包含在於
core: bibl monogr
header: biblFull fileDesc
msdescription: supportDesc
可包含
analysis: c cl interp interpGrp m pc phr s span spanGrp w
certainty: certainty precision respons
core: abbr add address binaryObject cb choice corr date del distinct email emph expan foreign gap gloss graphic hi index lb measure measureGrp mentioned milestone name note num orig pb ptr ref reg rs sic soCalled term time title unclear
dictionaries: lang oRef oVar pRef pVar
figures: figure formula
gaiji: g
header: idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp seg timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material objectType origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc country district forename genName geo geogFeat geogName nameLink offset orgName persName placeName region roleName settlement state surname
spoken: incident kinesic pause shift vocal writing
tagdocs: att code gi ident specDesc specList tag val
textcrit: app witDetail
transcr: addSpan am damage damageSpan delSpan ex fw gb handShift restore space subst supplied surplus
verse: caesura rhyme
宣告

<rng:element name="extent">
 <rng:ref name="att.global.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="macro.phraseSeq"/>
</rng:element>
element extent
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   macro.phraseSeq
}
例子
<extent>3200個句子</extent>
<extent>介於10 到20 Mb</extent>
<extent>10片3.5吋磁碟片</extent>