diff --git a/include/network/HTTPRequest.php b/include/network/HTTPRequest.php
--- a/include/network/HTTPRequest.php
+++ b/include/network/HTTPRequest.php
@@ -328,7 +328,7 @@
 		if( !$http_status ) {
 
 			// oh nose!
-			Log::error( "Huston, we have not valid headers" );
+			Log::error( "Houston, we have not valid headers" );
 
 			// retry but without DOSsing
 			$args = array_replace( $args, [
@@ -344,7 +344,7 @@
 			if( $http_status->isServerError() ) {
 
 				// oh nose!
-				Log::error( sprintf( "Huston, we have the code %s: %s",
+				Log::error( sprintf( "Houston, we have the code %s: %s",
 					$http_status->getCode(),
 					$http_status->getMessage()
 				) );
diff --git a/include/wb/DataModel.php b/include/wb/DataModel.php
--- a/include/wb/DataModel.php
+++ b/include/wb/DataModel.php
@@ -1,6 +1,6 @@
 <?php
 # Boz-MW - Another MediaWiki API handler in PHP
-# Copyright (C) 2017, 2018, 2019, 2020 Valerio Bozzolan
+# Copyright (C) 2017-2023 Valerio Bozzolan, contributors
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -19,6 +19,8 @@
 namespace wb;
 
 use \mw\WikibaseSite;
+use \wb\Label;
+use \wb\Description;
 
 /**
  * Wikibase data container
@@ -269,8 +271,35 @@
 		return $this->labels->have( $language );
 	}
 
+	/**
+	 * Get a label in a specific language
+	 *
+	 * @param $language Language code, as accepted by Wikidata
+	 * @return string|null
+	 */
+	public function getLabelValue( $language ) {
+		return $this->labels->getLanguageValue( $language );
+	}
+
+	/**
+	 * Set a label in a specific language
+	 *
+	 * @param $language Language code, as accepted by Wikidata
+	 * @param $value Language value
+	 * @return self
+	 */
+	public function setLabelValue( $language, $value ) {
+		$this->labels->setLanguageValue( $language, $value );
+		return $this;
+	}
+
 	/**
 	 * Set, delete, preserve if it exists, a label.
+	 *
+	 * You may want to use setLabelValue() instead that is more user-friendly.
+	 *
+	 * @param $label Label object
+	 * @return self
 	 */
 	public function setLabel( $label ) {
 		$this->labels->set( $label );
@@ -278,15 +307,37 @@
 	}
 
 	/**
-	 * Check if a label of a certain language exists
+	 * Check if a description exists in a certain language
 	 *
-	 * @param $language string
+	 * @param $language string Language code, as accepted by Wikidata
 	 * @return bool
 	 */
 	public function hasDescriptionInLanguage( $language ) {
 		return $this->descriptions->have( $language );
 	}
 
+	/**
+	 * Get a description in a specific language
+	 *
+	 * @param $language Language code, as accepted by Wikidata
+	 * @return string|null
+	 */
+	public function getDescriptionValue( $language ) {
+		return $this->descriptions->getLanguageValue( $language );
+	}
+
+	/**
+	 * Set a label in a specific language
+	 *
+	 * @param $language Language code, as accepted by Wikidata
+	 * @param $value Language value
+	 * @return self
+	 */
+	public function setDescriptionValue( $language, $value ) {
+		$this->descriptions->setLanguageValue( $language, $value );
+		return $this;
+	}
+
 	/**
 	 * Set, delete, preserve if it exists, a description.
 	 *
diff --git a/include/wb/Descriptions.php b/include/wb/Descriptions.php
--- a/include/wb/Descriptions.php
+++ b/include/wb/Descriptions.php
@@ -1,6 +1,6 @@
 <?php
 # Boz-MW - Another MediaWiki API handler in PHP
-# Copyright (C) 2017, 2018 Valerio Bozzolan
+# Copyright (C) 2017-2023 Valerio Bozzolan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -23,6 +23,17 @@
  */
 class Descriptions extends Labels {
 
+	/**
+	 * Create a single element from a language and its value
+	 *
+	 * @param $language string Language code
+	 * @param $value string Label value
+	 * @return Description
+	 */
+	protected function createSingleFromLanguageValue( $language, $value ) {
+		return new Description( $language, $value );
+	}
+
 	/**
 	 * String rappresentation
 	 *
diff --git a/include/wb/Label.php b/include/wb/Label.php
--- a/include/wb/Label.php
+++ b/include/wb/Label.php
@@ -1,6 +1,6 @@
 <?php
 # Boz-MW - Another MediaWiki API handler in PHP
-# Copyright (C) 2017 Valerio Bozzolan
+# Copyright (C) 2017-2023 Valerio Bozzolan, contributors
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -19,38 +19,81 @@
 namespace wb;
 
 /**
- * An entity Label.
+ * A Wikibase Label
  *
- * @see https://www.wikidata.org/wiki/Wikidata:Glossary#Label
+ * https://www.wikidata.org/wiki/Wikidata:Glossary#Label
  */
 class Label {
 
+	/**
+	 * @var string
+	 */
 	public $language;
+
+	/**
+	 * @var string
+	 */
 	public $value;
 
+	/**
+	 * Constructor
+	 *
+	 * @var $language string Language code
+	 * @var $value string Label value
+	 */
 	public function __construct( $language, $value ) {
 		$this->setLanguage( $language )
 		     ->setValue( $value );
 	}
 
+	/**
+	 * Get the language code
+	 *
+	 * @return string Language code
+	 */
 	public function getLanguage() {
 		return $this->language;
 	}
 
+	/**
+	 * Get the language value
+	 *
+	 * @return string
+	 */
 	public function getValue() {
 		return $this->value;
 	}
 
-	public function setLanguage( $language ) {
+	/**
+	 * Change the language
+	 *
+	 * This is more an internal method and should be avoided.
+	 *
+	 * @param $language string Language code
+	 * @return self
+	 */
+	protected function setLanguage( $language ) {
 		$this->language = $language;
 		return $this;
 	}
 
+	/**
+	 * Set the label value
+	 *
+	 * @param $value Label value
+	 * @return self
+	 */
 	public function setValue( $value ) {
 		$this->value = $value;
 		return $this;
 	}
 
+	/**
+	 * Create a Label object from raw array data
+	 *
+	 * @param $data array
+	 * @return self
+	 */
 	public static function createFromData( $data ) {
 		if( ! isset( $data['language'], $data['value'] ) ) {
 			throw new WrongDataException( self::class );
diff --git a/include/wb/Labels.php b/include/wb/Labels.php
--- a/include/wb/Labels.php
+++ b/include/wb/Labels.php
@@ -1,6 +1,6 @@
 <?php
 # Boz-MW - Another MediaWiki API handler in PHP
-# Copyright (C) 2017, 2018 Valerio Bozzolan
+# Copyright (C) 2017-2023 Valerio Bozzolan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -24,6 +24,8 @@
 class Labels {
 
 	/**
+	 * Labels indexed by language code
+	 *
 	 * @var array
 	 */
 	private $labels = [];
@@ -35,7 +37,7 @@
 	 */
 	public function __construct( $labels = [] ) {
 		foreach( $labels as $label ) {
-			$this->add( $label );
+			$this->set( $label );
 		}
 	}
 
@@ -46,37 +48,55 @@
 	 * @return Label
 	 */
 	public function get( $language ) {
-		foreach( $this->labels as $label ) {
-			if( $label->getLanguage() === $language ) {
-				return $label;
-			}
+		return $this->labels[ $language ] ?? false;
+	}
+
+	/**
+	 * Get a certain Label value by its language
+	 *
+	 * @param $language string
+	 * @return string The language value or NULL
+	 */
+	public function getLanguageValue( $language ) {
+		$value = null;
+		$label = $this->get( $language );
+		if( $label ) {
+			$value = $label->getValue();
 		}
-		return false;
+		return $value;
 	}
 
 	/**
-	 * Does it have a certain label?
+	 * Get a certain Label value by its language
+	 *
+	 * @param $language string
+	 * @param string The language value or NULL
+	 * @return self
+	 */
+	public function setLanguageValue( $language, $value ) {
+		$label = $this->createSingleFromLanguageValue( $language, $value );
+		return $this->set( $label );
+	}
+
+	/**
+	 * Do our labels have this one?
 	 *
 	 * @param $language string
 	 * @return bool
 	 */
 	public function have( $language ) {
-		return false !== $this->get( $language );
+		return $this->get( $language ) !== false;
 	}
 
 	/**
-	 * Set/add a certain label
+	 * Set/add a certain Label
 	 *
 	 * @param $label Label
 	 * @return self
 	 */
 	public function set( Label $label ) {
-		$existing = $this->get( $label->getLanguage() );
-		if( $existing ) {
-			$existing = $language;
-		} else {
-			$this->labels[] = $label;
-		}
+		$lang_code = $label->getLanguage();
+		$this->labels[ $lang_code ] = $label;
 		return $this;
 	}
 
@@ -104,6 +124,17 @@
 		return implode( $glue, $codes );
 	}
 
+	/**
+	 * Create a single element from a language and its value
+	 *
+	 * @param $language string Language code
+	 * @param $value string Label value
+	 * @return Label
+	 */
+	protected function createSingleFromLanguageValue( $language, $value ) {
+		return new Label( $language, $value );
+	}
+
 	/**
 	 * String rappresentation
 	 *
diff --git a/phpunit/WikibaseDataModelTest.php b/phpunit/WikibaseDataModelTest.php
new file mode 100644
--- /dev/null
+++ b/phpunit/WikibaseDataModelTest.php
@@ -0,0 +1,26 @@
+<?php
+// use the phpunit framework
+use PHPUnit\Framework\TestCase;
+
+use wb\DataModel;
+
+/**
+ * Test Query class
+ */
+final class WikibaseDataModelTest extends TestCase {
+
+	public function testSetLabel() {
+		$data = new DataModel();
+		$data->setLabelValue( 'it', 'pizza' );
+		$asd = $data->getLabelValue( 'it' );
+		$this->assertEquals( $asd, 'pizza' );
+	}
+
+	public function testSetDescription() {
+		$data = new DataModel();
+		$data->setDescriptionValue( 'it', 'pizza' );
+		$asd = $data->getDescriptionValue( 'it' );
+		$this->assertEquals( $asd, 'pizza' );
+	}
+
+}
diff --git a/phpunit/WikibaseDescriptionsTest.php b/phpunit/WikibaseDescriptionsTest.php
new file mode 100644
--- /dev/null
+++ b/phpunit/WikibaseDescriptionsTest.php
@@ -0,0 +1,48 @@
+<?php
+// use the phpunit framework
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test Query class
+ */
+final class WikibaseDescriptionsTest extends TestCase {
+
+	public function testCreateEmpty() {
+		$labels = new \wb\Descriptions();
+		$this->assertEquals( count( $labels->getAll() ), 0 );
+	}
+
+	public function testGetLanguageValueEmpty() {
+		$labels = new \wb\Descriptions();
+		$this->assertEquals( $labels->getLanguageValue( 'it' ), null );
+	}
+
+	public function testSetGetLanguageValue() {
+		$labels = new \wb\Descriptions();
+		$labels->setLanguageValue( 'it', 'Pizza' );
+		$this->assertEquals( $labels->getLanguageValue( 'it' ), 'Pizza' );
+	}
+
+	public function testSetOne() {
+		$labels = new \wb\Descriptions();
+		$label  = new \wb\Description( 'it', 'Asd' );
+		$this->assertEquals( $labels->have( 'it' ), false );
+		$this->assertEquals( count( $labels->getAll() ), 0 );
+
+		$labels->set( $label );
+		$this->assertEquals( $labels->have( 'it' ), true );
+		$this->assertEquals( count( $labels->getAll() ), 1 );
+	}
+
+	public function testSetOverride() {
+		$labels = new \wb\Descriptions();
+		$label1 = new \wb\Description( 'it', 'Asd1' );
+		$label2 = new \wb\Description( 'it', 'Asd2' );
+		$label3 = new \wb\Description( 'it', 'Asd3' );
+		$labels->set( $label1 );
+		$labels->set( $label2 );
+		$labels->set( $label3 );
+		$this->assertEquals( count( $labels->getAll() ), 1 );
+	}
+
+}
diff --git a/phpunit/WikibaseLabelsTest.php b/phpunit/WikibaseLabelsTest.php
new file mode 100644
--- /dev/null
+++ b/phpunit/WikibaseLabelsTest.php
@@ -0,0 +1,48 @@
+<?php
+// use the phpunit framework
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test Query class
+ */
+final class WikibaseLabelsTest extends TestCase {
+
+	public function testCreateEmpty() {
+		$labels = new \wb\Labels();
+		$this->assertEquals( count( $labels->getAll() ), 0 );
+	}
+
+	public function testGetLanguageValueEmpty() {
+		$labels = new \wb\Labels();
+		$this->assertEquals( $labels->getLanguageValue( 'it' ), null );
+	}
+
+	public function testSetGetLanguageValue() {
+		$labels = new \wb\Labels();
+		$labels->setLanguageValue( 'it', 'Pizza' );
+		$this->assertEquals( $labels->getLanguageValue( 'it' ), 'Pizza' );
+	}
+
+	public function testSetOne() {
+		$labels = new \wb\Labels();
+		$label  = new \wb\Label( 'it', 'Asd' );
+		$this->assertEquals( $labels->have( 'it' ), false );
+		$this->assertEquals( count( $labels->getAll() ), 0 );
+
+		$labels->set( $label );
+		$this->assertEquals( $labels->have( 'it' ), true );
+		$this->assertEquals( count( $labels->getAll() ), 1 );
+	}
+
+	public function testSetOverride() {
+		$labels = new \wb\Labels();
+		$label1 = new \wb\Label( 'it', 'Asd1' );
+		$label2 = new \wb\Label( 'it', 'Asd2' );
+		$label3 = new \wb\Label( 'it', 'Asd3' );
+		$labels->set( $label1 );
+		$labels->set( $label2 );
+		$labels->set( $label3 );
+		$this->assertEquals( count( $labels->getAll() ), 1 );
+	}
+
+}