<xs:group name="DescriptiveMetadataGroup">
    <xs:annotation>
        <xs:documentation>A group of properties associated with the descriptive facet of content.</xs:documentation>
    </xs:annotation>
    <xs:sequence>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
            <xs:element ref="language" />
            <xs:element ref="genre" />
            <xs:element ref="subject" />
            <xs:element ref="slugline" />
            <xs:element ref="headline" />
            <xs:element ref="dateline" />
            <xs:element ref="by" />
            <xs:element ref="creditline" />
            <xs:element ref="description" />
        </xs:choice>
    </xs:sequence>
</xs:group>