car_manufacturers.vdex

<?xml version="1.0" encoding="utf-8"?>
<vdex xmlns="http://www.imsglobal.org/xsd/imsvdex_v1p0"
      orderSignificant="false" language="en">
    <vocabIdentifier>your.package.car_manufacturers</vocabIdentifier>
    <term>
        <termIdentifier>ford</termIdentifier>
        <caption>
            <langstring language="en">Ford</langstring>
            <langstring language="es">Una miedra de coche</langstring>
        </caption>
    </term>
    <term>
        <termIdentifier>bmw</termIdentifier>
        <caption>
            <langstring language="en">BMW</langstring>
            <langstring language="es">Be-eMe-uWe, mierda</langstring>
        </caption>
    </term>

    <relationship>
        <sourceTerm>bmw</sourceTerm>
        <targetTerm vocabIdentifier="your.package.car_models">very-special-bmw-model</targetTerm>
        <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">NT</relationshipType>
    </relationship>

...

</vdex>

car_models.vdex

<?xml version="1.0" encoding="utf-8"?>
<vdex xmlns="http://www.imsglobal.org/xsd/imsvdex_v1p0"
      orderSignificant="false" language="en">
    <vocabIdentifier>your.package.car_models</vocabIdentifier>

    <term>
        <termIdentifier>very-special-bmw-model</termIdentifier>
        <caption>
            <langstring language="en">Very special BMW model</langstring>
            <langstring language="es">Un modelo de Be-eMe-uWe</langstring>
        </caption>
    </term>

    <relationship>
        <sourceTerm>very-special-bmw-model</sourceTerm>
        <targetTerm vocabIdentifier="your.package.car_manufacturers">bmw</targetTerm>
        <relationshipType source="http://www.imsglobal.org/vocabularies/iso2788_relations.xml">BT</relationshipType>
    </relationship>

...

</vdex>