<desc> (description) contains a brief description of the object documented by its parent element, including its intended usage, purpose, or application where this is appropriate. [22.4.1 Description of Components]
Modulecore — Elements Available in All TEI Documents
Attributesatt.global (@xml:id, @n, @xml:lang, @rend, @style, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) att.translatable (@versionDate) att.typed (@type, @subtype)
Member of
Contained by
May contain
<desc>contains a brief description of the purpose and application for an element, attribute,
attribute value, class, or entity.</desc>

TEI convention requires that this be expressed as a finite clause, begining with an active verb.