diff --git a/core/includes/config.inc b/core/includes/config.inc
index 5e6fa00..6193269 100644
--- a/core/includes/config.inc
+++ b/core/includes/config.inc
@@ -1,6 +1,6 @@
 <?php
 
-use Drupal\Core\Config\DrupalVerifiedStorageSQL;
+use Drupal\Core\Config\DatabaseStorage;
 
 /**
  * @file
@@ -48,8 +48,8 @@ function config_install_default_config($module) {
       $file = array_pop($parts);
       $config_name = str_replace('.xml', '', $file);
 
-      $verified_storage = new DrupalVerifiedStorageSQL($config_name);
-      $verified_storage->write(file_get_contents($module_config_dir . '/' . $file));
+      $storage = new DatabaseStorage($config_name);
+      $storage->write(file_get_contents($module_config_dir . '/' . $file));
     }
   }
 }
@@ -88,8 +88,8 @@ function config_get_files_with_prefix($prefix = '') {
  * @return
  *   @todo
  */
-function config_get_verified_storage_names_with_prefix($prefix = '') {
-  return DrupalVerifiedStorageSQL::getNamesWithPrefix($prefix);
+function config_get_storage_names_with_prefix($prefix = '') {
+  return DatabaseStorage::getNamesWithPrefix($prefix);
 }
 
 /**
@@ -114,7 +114,7 @@ function config_get_verified_storage_names_with_prefix($prefix = '') {
  *   alternate storage engines..
  */
 function config($name, $class = 'Drupal\Core\Config\DrupalConfig') {
-  return new $class(new DrupalVerifiedStorageSQL($name));
+  return new $class(new DatabaseStorage($name));
 }
 
 /**
diff --git a/core/lib/Drupal/Core/Config/DrupalConfigVerifiedStorage.php b/core/lib/Drupal/Core/Config/AbstractStorage.php
similarity index 68%
rename from core/lib/Drupal/Core/Config/DrupalConfigVerifiedStorage.php
rename to core/lib/Drupal/Core/Config/AbstractStorage.php
index 56cd16d..534f6a8 100644
--- a/core/lib/Drupal/Core/Config/DrupalConfigVerifiedStorage.php
+++ b/core/lib/Drupal/Core/Config/AbstractStorage.php
@@ -2,13 +2,13 @@
 
 namespace Drupal\Core\Config;
 
-use Drupal\Core\Config\DrupalConfigVerifiedStorageInterface;
+use Drupal\Core\Config\StorageInterface;
 use Drupal\Core\Config\FileStorage;
 
 /**
  * @todo
  */
-abstract class DrupalConfigVerifiedStorage implements DrupalConfigVerifiedStorageInterface {
+abstract class AbstractStorage implements StorageInterface {
 
   protected $name;
 
@@ -20,7 +20,7 @@ abstract class DrupalConfigVerifiedStorage implements DrupalConfigVerifiedStorag
   protected $fileStorage;
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::__construct().
+   * Implements StorageInterface::__construct().
    */
   function __construct($name) {
     $this->name = $name;
@@ -40,21 +40,21 @@ abstract class DrupalConfigVerifiedStorage implements DrupalConfigVerifiedStorag
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::copyToFile().
+   * Implements StorageInterface::copyToFile().
    */
   public function copyToFile() {
     return $this->writeToFile($this->read());
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::deleteFile().
+   * Implements StorageInterface::deleteFile().
    */
   public function deleteFile() {
     return $this->fileStorage()->delete();
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::copyFromFile().
+   * Implements StorageInterface::copyFromFile().
    */
   public function copyFromFile() {
     return $this->writeToActive($this->readFromFile());
@@ -71,14 +71,14 @@ abstract class DrupalConfigVerifiedStorage implements DrupalConfigVerifiedStorag
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::isOutOfSync().
+   * Implements StorageInterface::isOutOfSync().
    */
   public function isOutOfSync() {
     return $this->read() !== $this->readFromFile();
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::write().
+   * Implements StorageInterface::write().
    */
   public function write($data) {
     $this->writeToActive($data);
@@ -86,14 +86,14 @@ abstract class DrupalConfigVerifiedStorage implements DrupalConfigVerifiedStorag
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::writeToFile().
+   * Implements StorageInterface::writeToFile().
    */
   public function writeToFile($data) {
     return $this->fileStorage()->write($data);
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::delete().
+   * Implements StorageInterface::delete().
    */
   public function delete() {
     $this->deleteFromActive();
@@ -101,7 +101,7 @@ abstract class DrupalConfigVerifiedStorage implements DrupalConfigVerifiedStorag
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::getName().
+   * Implements StorageInterface::getName().
    */
   public function getName() {
     return $this->name;
diff --git a/core/lib/Drupal/Core/Config/DrupalVerifiedStorageSQL.php b/core/lib/Drupal/Core/Config/DatabaseStorage.php
similarity index 78%
rename from core/lib/Drupal/Core/Config/DrupalVerifiedStorageSQL.php
rename to core/lib/Drupal/Core/Config/DatabaseStorage.php
index 97d499a..dd8cb48 100644
--- a/core/lib/Drupal/Core/Config/DrupalVerifiedStorageSQL.php
+++ b/core/lib/Drupal/Core/Config/DatabaseStorage.php
@@ -2,16 +2,16 @@
 
 namespace Drupal\Core\Config;
 
-use Drupal\Core\Config\DrupalConfigVerifiedStorage;
+use Drupal\Core\Config\AbstractStorage;
 use Exception;
 
 /**
  * Represents an SQL-based configuration storage object.
  */
-class DrupalVerifiedStorageSQL extends DrupalConfigVerifiedStorage {
+class DatabaseStorage extends AbstractStorage {
 
   /**
-   * Overrides DrupalConfigVerifiedStorage::read().
+   * Overrides AbstractStorage::read().
    */
   public function read() {
     // There are situations, like in the installer, where we may attempt a
@@ -26,7 +26,7 @@ class DrupalVerifiedStorageSQL extends DrupalConfigVerifiedStorage {
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::writeToActive().
+   * Implements StorageInterface::writeToActive().
    */
   public function writeToActive($data) {
     return db_merge('config')
@@ -45,7 +45,7 @@ class DrupalVerifiedStorageSQL extends DrupalConfigVerifiedStorage {
   }
 
   /**
-   * Implements DrupalConfigVerifiedStorageInterface::getNamesWithPrefix().
+   * Implements StorageInterface::getNamesWithPrefix().
    */
   static public function getNamesWithPrefix($prefix = '') {
     return db_query('SELECT name FROM {config} WHERE name LIKE :name', array(':name' => db_like($prefix) . '%'))->fetchCol();
diff --git a/core/lib/Drupal/Core/Config/DrupalConfig.php b/core/lib/Drupal/Core/Config/DrupalConfig.php
index 9fc33aa..c405757 100644
--- a/core/lib/Drupal/Core/Config/DrupalConfig.php
+++ b/core/lib/Drupal/Core/Config/DrupalConfig.php
@@ -2,7 +2,7 @@
 
 namespace Drupal\Core\Config;
 
-use Drupal\Core\Config\DrupalConfigVerifiedStorageInterface;
+use Drupal\Core\Config\StorageInterface;
 use Drupal\Core\Config\ConfigException;
 
 /**
@@ -13,22 +13,22 @@ class DrupalConfig {
   /**
    * The storage engine to save this config object to.
    *
-   * @var DrupalConfigVerifiedStorageInterface
+   * @var StorageInterface
    */
-  protected $_verifiedStorage;
+  protected $storage;
 
   protected $data = array();
 
   /**
    * Constructs a DrupalConfig object.
    *
-   * @param DrupalConfigVerifiedStorageInterface $verified_storage
+   * @param StorageInterface $storage
    *   The storage engine where this config object should be saved.
    *
    * @todo $this should really know about $name and make it publicly accessible.
    */
-  public function __construct(DrupalConfigVerifiedStorageInterface $verified_storage) {
-    $this->_verifiedStorage = $verified_storage;
+  public function __construct(StorageInterface $storage) {
+    $this->storage = $storage;
     $this->read();
   }
 
@@ -36,7 +36,7 @@ class DrupalConfig {
    * Reads config data from the active store into our object.
    */
   public function read() {
-    $active = (array) config_decode($this->_verifiedStorage->read());
+    $active = (array) config_decode($this->storage->read());
     foreach ($active as $key => $value) {
       // If the setting is empty, return an empty string rather than an array.
       // This is necessary because SimpleXML's default behavior is to return
@@ -89,7 +89,7 @@ class DrupalConfig {
   public function get($key = '') {
     global $conf;
 
-    $name = $this->_verifiedStorage->getName();
+    $name = $this->storage->getName();
     if (isset($conf[$name])) {
       $merged_data = drupal_array_merge_deep($this->data, $conf[$name]);
     }
@@ -201,7 +201,7 @@ class DrupalConfig {
    * Saves the configuration object to disk as XML.
    */
   public function save() {
-    $this->_verifiedStorage->write(config_encode($this->data));
+    $this->storage->write(config_encode($this->data));
   }
 
   /**
@@ -209,6 +209,6 @@ class DrupalConfig {
    */
   public function delete() {
     $this->data = array();
-    $this->_verifiedStorage->delete();
+    $this->storage->delete();
   }
 }
diff --git a/core/lib/Drupal/Core/Config/FileStorage.php b/core/lib/Drupal/Core/Config/FileStorage.php
index 77b8db5..e65e168 100644
--- a/core/lib/Drupal/Core/Config/FileStorage.php
+++ b/core/lib/Drupal/Core/Config/FileStorage.php
@@ -32,7 +32,7 @@ class FileStorage {
   protected function readData() {
     $data = file_get_contents($this->getFilePath());
     if ($data === FALSE) {
-      throw new \Exception('Read file is invalid.');
+      throw new FileStorageReadException('Read file is invalid.');
     }
     return $data;
   }
@@ -68,7 +68,7 @@ class FileStorage {
    */
   public function write($data) {
     if (!file_put_contents($this->getFilePath(), $data)) {
-      throw new \Exception('Failed to write configuration file: ' . $this->getFilePath());
+      throw new FileStorageException('Failed to write configuration file: ' . $this->getFilePath());
     }
   }
 
diff --git a/core/lib/Drupal/Core/Config/ConfigFileStorageException.php b/core/lib/Drupal/Core/Config/FileStorageException.php
similarity index 61%
rename from core/lib/Drupal/Core/Config/ConfigFileStorageException.php
rename to core/lib/Drupal/Core/Config/FileStorageException.php
index ce7fb30..bf3ae5f 100644
--- a/core/lib/Drupal/Core/Config/ConfigFileStorageException.php
+++ b/core/lib/Drupal/Core/Config/FileStorageException.php
@@ -7,4 +7,4 @@ use Drupal\Core\Config\ConfigException;
 /**
  * @todo
  */
-class ConfigFileStorageException extends ConfigException {}
+class FileStorageException extends ConfigException {}
diff --git a/core/lib/Drupal/Core/Config/ConfigFileStorageReadException.php b/core/lib/Drupal/Core/Config/FileStorageReadException.php
similarity index 30%
rename from core/lib/Drupal/Core/Config/ConfigFileStorageReadException.php
rename to core/lib/Drupal/Core/Config/FileStorageReadException.php
index a3ac95c..d613666 100644
--- a/core/lib/Drupal/Core/Config/ConfigFileStorageReadException.php
+++ b/core/lib/Drupal/Core/Config/FileStorageReadException.php
@@ -2,9 +2,9 @@
 
 namespace Drupal\Core\Config;
 
-use Drupal\Core\Config\ConfigFileStorageException;
+use Drupal\Core\Config\FileStorageException;
 
 /**
  * @todo
  */
-class ConfigFileStorageReadException extends ConfigFileStorageException {}
+class FileStorageReadException extends FileStorageException {}
diff --git a/core/lib/Drupal/Core/Config/DrupalConfigVerifiedStorageInterface.php b/core/lib/Drupal/Core/Config/StorageInterface.php
similarity index 69%
rename from core/lib/Drupal/Core/Config/DrupalConfigVerifiedStorageInterface.php
rename to core/lib/Drupal/Core/Config/StorageInterface.php
index 8048e35..f1e8a3d 100644
--- a/core/lib/Drupal/Core/Config/DrupalConfigVerifiedStorageInterface.php
+++ b/core/lib/Drupal/Core/Config/StorageInterface.php
@@ -3,15 +3,15 @@
 namespace Drupal\Core\Config;
 
 /**
- * Defines an interface for verified storage manipulation.
+ * Defines an interface for configuration storage manipulation.
  *
  * This class allows reading and writing configuration data from/to the
- * verified storage and copying to/from the file storing the same data.
+ * storage and copying to/from the file storing the same data.
  */
-interface DrupalConfigVerifiedStorageInterface {
+interface StorageInterface {
 
   /**
-   * Constructs a verified storage manipulation class.
+   * Constructs a storage manipulation class.
    *
    * @param $name
    *   Lowercase string, the name for the configuration data.
@@ -19,17 +19,17 @@ interface DrupalConfigVerifiedStorageInterface {
   function __construct($name);
 
   /**
-   * Reads the configuration data from the verified storage.
+   * Reads the configuration data from the storage.
    */
   function read();
 
   /**
-   * Copies the configuration data from the verified storage into a file.
+   * Copies the configuration data from the storage into a file.
    */
   function copyToFile();
 
   /**
-   * Copies the configuration data from the file into the verified storage.
+   * Copies the configuration data from the file into the storage.
    */
   function copyFromFile();
 
@@ -39,10 +39,10 @@ interface DrupalConfigVerifiedStorageInterface {
   function deleteFile();
 
   /**
-   * Checks whether the file and the verified storage is in sync.
+   * Checks whether the file and the storage is in sync.
    *
    * @return
-   *   TRUE if the file and the verified storage contains the same data, FALSE
+   *   TRUE if the file and the storage contains the same data, FALSE
    *   if not.
    */
   function isOutOfSync();
diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index 8fd8cee..3edf83c 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -516,7 +516,7 @@ function image_styles() {
       $styles = array();
 
       // Select the styles we have configured.
-      $configured_styles = config_get_verified_storage_names_with_prefix('image.style');
+      $configured_styles = config_get_storage_names_with_prefix('image.style');
       foreach ($configured_styles as $config_name) {
         // @todo Allow to retrieve the name without prefix only.
         $style = image_style_load(str_replace('image.style.', '', $config_name));
