diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index dd4577b..c9656b1 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -15,7 +15,7 @@ declare(strict_types=1);
 namespace Modules\Tag\Controller;
 
 use Modules\Tag\Models\Tag;
-use Modules\Tag\Models\TagL11n;
+use phpOMS\Localization\BaseStringL11n;
 use Modules\Tag\Models\TagL11nMapper;
 use Modules\Tag\Models\TagMapper;
 use phpOMS\Message\Http\RequestStatusCode;
@@ -201,18 +201,18 @@ final class ApiController extends Controller
      *
      * @param RequestAbstract $request Request
      *
-     * @return TagL11n
+     * @return BaseStringL11n
      *
      * @since 1.0.0
      */
-    private function createTagL11nFromRequest(RequestAbstract $request) : TagL11n
+    private function createTagL11nFromRequest(RequestAbstract $request) : BaseStringL11n
     {
-        $tagL11n      = new TagL11n();
-        $tagL11n->tag = (int) ($request->getData('tag') ?? 0);
+        $tagL11n      = new BaseStringL11n();
+        $tagL11n->ref = (int) ($request->getData('tag') ?? 0);
         $tagL11n->setLanguage((string) (
             $request->getData('language') ?? $request->getLanguage()
         ));
-        $tagL11n->title = (string) ($request->getData('title') ?? '');
+        $tagL11n->content = (string) ($request->getData('title') ?? '');
 
         return $tagL11n;
     }
@@ -277,7 +277,7 @@ final class ApiController extends Controller
         $tags = TagMapper::getAll()
             ->with('title')
             ->where('title/language', $request->getLanguage())
-            ->where('title/title', '%' . ($request->getData('search') ?? '') . '%', 'LIKE')
+            ->where('title/content', '%' . ($request->getData('search') ?? '') . '%', 'LIKE')
             ->execute();
 
         $response->header->set('Content-Type', MimeType::M_JSON, true);
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 10fd107..4dc91b2 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -113,7 +113,7 @@ final class BackendController extends Controller
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1007501001, $request, $response));
         $view->addData('tag', $tag);
 
-        /** @var \Modules\Tag\Models\TagL11n[] $l11n */
+        /** @var \phpOMS\Localization\BaseStringL11n[] $l11n */
         $l11n = TagL11nMapper::getAll()->where('tag', $tag->getId())->execute();
         $view->addData('l11n', $l11n);
 
diff --git a/Models/NullTagL11n.php b/Models/NullTagL11n.php
deleted file mode 100755
index 639e16b..0000000
--- a/Models/NullTagL11n.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-/**
- * Karaka
- *
- * PHP Version 8.1
- *
- * @package   Modules\Tag\Models
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://jingga.app
- */
-declare(strict_types=1);
-
-namespace Modules\Tag\Models;
-
-/**
- * Null model
- *
- * @package Modules\Tag\Models
- * @license OMS License 1.0
- * @link    https://jingga.app
- * @since   1.0.0
- */
-final class NullTagL11n extends TagL11n
-{
-    /**
-     * Constructor
-     *
-     * @param int $id Model id
-     *
-     * @since 1.0.0
-     */
-    public function __construct(int $id = 0)
-    {
-        $this->id = $id;
-        parent::__construct();
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function jsonSerialize() : mixed
-    {
-        return ['id' => $this->id];
-    }
-}
diff --git a/Models/Tag.php b/Models/Tag.php
index f4ada61..3b7a109 100755
--- a/Models/Tag.php
+++ b/Models/Tag.php
@@ -16,6 +16,7 @@ namespace Modules\Tag\Models;
 
 use Modules\Admin\Models\Account;
 use phpOMS\Localization\ISO639x1Enum;
+use phpOMS\Localization\BaseStringL11n;
 
 /**
  * Tag class.
@@ -38,10 +39,10 @@ class Tag implements \JsonSerializable
     /**
      * Title.
      *
-     * @var string|TagL11n
+     * @var string|BaseStringL11n
      * @since 1.0.0
      */
-    protected string | TagL11n $title = '';
+    protected string | BaseStringL11n $title = '';
 
     /**
      * Color RGBA.
@@ -120,28 +121,28 @@ class Tag implements \JsonSerializable
      */
     public function getL11n() : string
     {
-        return $this->title instanceof TagL11n ? $this->title->title : $this->title;
+        return $this->title instanceof BaseStringL11n ? $this->title->content : $this->title;
     }
 
     /**
      * Set title
      *
-     * @param string|TagL11n $title Tag article title
-     * @param string         $lang  Language
+     * @param string|BaseStringL11n $title Tag article title
+     * @param string                $lang  Language
      *
      * @return void
      *
      * @since 1.0.0
      */
-    public function setL11n(string | TagL11n $title, string $lang = ISO639x1Enum::_EN) : void
+    public function setL11n(string | BaseStringL11n $title, string $lang = ISO639x1Enum::_EN) : void
     {
-        if ($title instanceof TagL11n) {
+        if ($title instanceof BaseStringL11n) {
             $this->title = $title;
-        } elseif (isset($this->title) && $this->title instanceof TagL11n) {
-            $this->title->title = $title;
+        } elseif (isset($this->title) && $this->title instanceof BaseStringL11n) {
+            $this->title->content = $title;
         } else {
-            $this->title        = new TagL11n();
-            $this->title->title = $title;
+            $this->title          = new BaseStringL11n();
+            $this->title->content = $title;
             $this->title->setLanguage($lang);
         }
     }
diff --git a/Models/TagL11n.php b/Models/TagL11n.php
deleted file mode 100755
index 1e82ef5..0000000
--- a/Models/TagL11n.php
+++ /dev/null
@@ -1,132 +0,0 @@
-<?php
-/**
- * Karaka
- *
- * PHP Version 8.1
- *
- * @package   Modules\Tag\Models
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://jingga.app
- */
-declare(strict_types=1);
-
-namespace Modules\Tag\Models;
-
-use phpOMS\Localization\ISO639x1Enum;
-
-/**
- * Tag class.
- *
- * @package Modules\Tag\Models
- * @license OMS License 1.0
- * @link    https://jingga.app
- * @since   1.0.0
- */
-class TagL11n implements \JsonSerializable
-{
-    /**
-     * ID.
-     *
-     * @var int
-     * @since 1.0.0
-     */
-    protected int $id = 0;
-
-    /**
-     * Tag ID.
-     *
-     * @var int
-     * @since 1.0.0
-     */
-    public int $tag = 0;
-
-    /**
-     * Language.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected string $language = ISO639x1Enum::_EN;
-
-    /**
-     * Title.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    public string $title = '';
-
-    /**
-     * Constructor.
-     *
-     * @param string $title Title
-     *
-     * @since 1.0.0
-     */
-    public function __construct(string $title = '', string $language = ISO639x1Enum::_EN)
-    {
-        $this->title    = $title;
-        $this->language = $language;
-    }
-
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
-
-    /**
-     * Get language
-     *
-     * @return string
-     *
-     * @since 1.0.0
-     */
-    public function getLanguage() : string
-    {
-        return $this->language;
-    }
-
-    /**
-     * Set language
-     *
-     * @param string $language Language
-     *
-     * @return void
-     *
-     * @since 1.0.0
-     */
-    public function setLanguage(string $language) : void
-    {
-        $this->language = $language;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray() : array
-    {
-        return [
-            'id'       => $this->id,
-            'title'    => $this->title,
-            'tag'      => $this->tag,
-            'language' => $this->language,
-        ];
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function jsonSerialize() : mixed
-    {
-        return $this->toArray();
-    }
-}
diff --git a/Models/TagL11nMapper.php b/Models/TagL11nMapper.php
index 14cebf3..32bbc1b 100755
--- a/Models/TagL11nMapper.php
+++ b/Models/TagL11nMapper.php
@@ -15,6 +15,7 @@ declare(strict_types=1);
 namespace Modules\Tag\Models;
 
 use phpOMS\DataStorage\Database\Mapper\DataMapperFactory;
+use phpOMS\Localization\BaseStringL11n;
 
 /**
  * Tag mapper class.
@@ -34,8 +35,8 @@ final class TagL11nMapper extends DataMapperFactory
      */
     public const COLUMNS = [
         'tag_l11n_id'       => ['name' => 'tag_l11n_id',       'type' => 'int',    'internal' => 'id'],
-        'tag_l11n_title'    => ['name' => 'tag_l11n_title',    'type' => 'string', 'internal' => 'title', 'autocomplete' => true],
-        'tag_l11n_tag'      => ['name' => 'tag_l11n_tag',      'type' => 'int',    'internal' => 'tag'],
+        'tag_l11n_title'    => ['name' => 'tag_l11n_title',    'type' => 'string', 'internal' => 'content', 'autocomplete' => true],
+        'tag_l11n_tag'      => ['name' => 'tag_l11n_tag',      'type' => 'int',    'internal' => 'ref'],
         'tag_l11n_language' => ['name' => 'tag_l11n_language', 'type' => 'string', 'internal' => 'language'],
     ];
 
@@ -54,4 +55,12 @@ final class TagL11nMapper extends DataMapperFactory
      * @since 1.0.0
      */
     public const PRIMARYFIELD ='tag_l11n_id';
+
+    /**
+     * Model to use by the mapper.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    public const MODEL = BaseStringL11n::class;
 }
diff --git a/Models/TagMapper.php b/Models/TagMapper.php
index 08778f4..2d6e535 100755
--- a/Models/TagMapper.php
+++ b/Models/TagMapper.php
@@ -51,7 +51,7 @@ final class TagMapper extends DataMapperFactory
             'mapper'   => TagL11nMapper::class,
             'table'    => 'tag_l11n',
             'self'     => 'tag_l11n_tag',
-            'column'   => 'title',
+            'column'   => 'content',
             'external' => null,
         ],
     ];
diff --git a/tests/Controller/ApiControllerTest.php b/tests/Controller/ApiControllerTest.php
index 458ad0b..04b44b1 100755
--- a/tests/Controller/ApiControllerTest.php
+++ b/tests/Controller/ApiControllerTest.php
@@ -143,7 +143,7 @@ final class ApiControllerTest extends \PHPUnit\Framework\TestCase
 
         $this->module->apiTagL11nCreate($request, $response);
 
-        self::assertEquals('ApiTagDE', $response->get('')['response']->title);
+        self::assertEquals('ApiTagDE', $response->get('')['response']->content);
         self::assertGreaterThan(0, $response->get('')['response']->getId());
     }
 
diff --git a/tests/Models/NullTagL11nTest.php b/tests/Models/NullTagL11nTest.php
deleted file mode 100755
index 5bfba87..0000000
--- a/tests/Models/NullTagL11nTest.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-/**
- * Karaka
- *
- * PHP Version 8.1
- *
- * @package   tests
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://jingga.app
- */
-declare(strict_types=1);
-
-namespace Modules\Tag\tests\Models;
-
-use Modules\Tag\Models\NullTagL11n;
-
-/**
- * @internal
- */
-final class NullTagL11nTest extends \PHPUnit\Framework\TestCase
-{
-    /**
-     * @covers Modules\Tag\Models\NullTagL11n
-     * @group framework
-     */
-    public function testNull() : void
-    {
-        self::assertInstanceOf('\Modules\Tag\Models\TagL11n', new NullTagL11n());
-    }
-
-    /**
-     * @covers Modules\Tag\Models\NullTagL11n
-     * @group framework
-     */
-    public function testId() : void
-    {
-        $null = new NullTagL11n(2);
-        self::assertEquals(2, $null->getId());
-    }
-}
diff --git a/tests/Models/TagL11nMapperTest.php b/tests/Models/TagL11nMapperTest.php
index b67df53..1b66940 100755
--- a/tests/Models/TagL11nMapperTest.php
+++ b/tests/Models/TagL11nMapperTest.php
@@ -15,7 +15,7 @@ declare(strict_types=1);
 namespace Modules\Tag\tests\Models;
 
 use Modules\Tag\Models\Tag;
-use Modules\Tag\Models\TagL11n;
+use phpOMS\Localization\BaseStringL11n;
 use Modules\Tag\Models\TagL11nMapper;
 use Modules\Tag\Models\TagMapper;
 use Modules\Tag\Models\TagType;
@@ -40,17 +40,17 @@ final class TagL11nMapperTest extends \PHPUnit\Framework\TestCase
         self::assertGreaterThan(0, $tag->getId());
         self::assertEquals($id, $tag->getId());
 
-        $l11n        = new TagL11n();
-        $l11n->title = 'TestTitle';
+        $l11n        = new BaseStringL11n();
+        $l11n->content = 'TestTitle';
         $l11n->setLanguage(ISO639x1Enum::_EN);
-        $l11n->tag = $id;
+        $l11n->ref = $id;
 
         $id = TagL11nMapper::create()->execute($l11n);
         self::assertGreaterThan(0, $l11n->getId());
         self::assertEquals($id, $l11n->getId());
 
         $l11nR = TagL11nMapper::get()->where('id', $l11n->getId())->execute();
-        self::assertEquals($l11n->title, $l11nR->title);
+        self::assertEquals($l11n->content, $l11nR->content);
         self::assertEquals($l11n->getLanguage(), $l11nR->getLanguage());
     }
 }
diff --git a/tests/Models/TagL11nTest.php b/tests/Models/TagL11nTest.php
deleted file mode 100755
index 575596e..0000000
--- a/tests/Models/TagL11nTest.php
+++ /dev/null
@@ -1,97 +0,0 @@
-<?php
-/**
- * Karaka
- *
- * PHP Version 8.1
- *
- * @package   tests
- * @copyright Dennis Eichhorn
- * @license   OMS License 1.0
- * @version   1.0.0
- * @link      https://jingga.app
- */
-declare(strict_types=1);
-
-namespace Modules\Tag\tests\Models;
-
-use Modules\Tag\Models\TagL11n;
-use phpOMS\Localization\ISO639x1Enum;
-
-/**
- * @internal
- */
-final class TagL11nTest extends \PHPUnit\Framework\TestCase
-{
-    private TagL11n $l11n;
-
-    /**
-     * {@inheritdoc}
-     */
-    protected function setUp() : void
-    {
-        $this->l11n = new TagL11n();
-    }
-
-    /**
-     * @covers Modules\Tag\Models\TagL11n
-     * @group module
-     */
-    public function testDefault() : void
-    {
-        self::assertEquals(0, $this->l11n->getId());
-        self::assertEquals(0, $this->l11n->tag);
-        self::assertEquals('', $this->l11n->title);
-        self::assertEquals(ISO639x1Enum::_EN, $this->l11n->getLanguage());
-    }
-
-    /**
-     * @covers Modules\Tag\Models\TagL11n
-     * @group module
-     */
-    public function testTagInputOutput() : void
-    {
-        $this->l11n->tag = 2;
-        self::assertEquals(2, $this->l11n->tag);
-    }
-
-    /**
-     * @covers Modules\Tag\Models\TagL11n
-     * @group module
-     */
-    public function testLanguageInputOutput() : void
-    {
-        $this->l11n->setLanguage(ISO639x1Enum::_DE);
-        self::assertEquals(ISO639x1Enum::_DE, $this->l11n->getLanguage());
-    }
-
-    /**
-     * @covers Modules\Tag\Models\TagL11n
-     * @group module
-     */
-    public function testTitleInputOutput() : void
-    {
-        $this->l11n->title = 'Title';
-        self::assertEquals('Title', $this->l11n->title);
-    }
-
-    /**
-     * @covers Modules\Tag\Models\TagL11n
-     * @group module
-     */
-    public function testSerialize() : void
-    {
-        $this->l11n->title = 'Title';
-        $this->l11n->tag   = 2;
-        $this->l11n->setLanguage(ISO639x1Enum::_DE);
-
-        self::assertEquals(
-            [
-                'id'       => 0,
-                'title'    => 'Title',
-                'tag'      => 2,
-                'language' => ISO639x1Enum::_DE,
-            ],
-            $this->l11n->jsonSerialize()
-        );
-    }
-}
diff --git a/tests/Models/TagTest.php b/tests/Models/TagTest.php
index 2841454..5ca2676 100755
--- a/tests/Models/TagTest.php
+++ b/tests/Models/TagTest.php
@@ -16,7 +16,7 @@ namespace Modules\Tag\tests\Models;
 
 use Modules\Admin\Models\NullAccount;
 use Modules\Tag\Models\Tag;
-use Modules\Tag\Models\TagL11n;
+use phpOMS\Localization\BaseStringL11n;
 use Modules\Tag\Models\TagType;
 
 /**
@@ -56,7 +56,7 @@ final class TagTest extends \PHPUnit\Framework\TestCase
         $this->tag->setL11n('Test');
         self::assertEquals('Test', $this->tag->getL11n());
 
-        $this->tag->setL11n(new TagL11n('Test2'));
+        $this->tag->setL11n(new BaseStringL11n('Test2'));
         self::assertEquals('Test2', $this->tag->getL11n());
 
         $this->tag->setL11n('Test3');
@@ -99,7 +99,7 @@ final class TagTest extends \PHPUnit\Framework\TestCase
      */
     public function testSerialize() : void
     {
-        $this->tag->setL11n($t = new TagL11n('Test'));
+        $this->tag->setL11n($t = new BaseStringL11n('Test'));
         $this->tag->owner      = new NullAccount(2);
         $this->tag->color      = 'ffffffff';
         $this->tag->setType(TagType::SHARED);