diff --git a/app/Controllers/ArticleController.php b/app/Controllers/ArticleController.php
index 6b1fea4..93e7835 100644
--- a/app/Controllers/ArticleController.php
+++ b/app/Controllers/ArticleController.php
@@ -4,18 +4,19 @@ namespace App\Controllers;
 
 use Hleb\Scheme\App\Controllers\MainController;
 use Hleb\Constructor\Handlers\Request;
-use Data, Content;
+use Content, Translate;
 
 class ArticleController extends MainController
 {
     public function index($slug)
     {
-        if (!in_array($lang = Request::get('lang'), Data::LANG)) {
+        if (!in_array($lang = Request::get('lang'), config('general.lang'))) {
             redirect('/');
         }
 
-        Data::lang($lang);
-
+        $lang = $lang ?? config('general.default_lang');
+        Translate::setLang($lang);
+        
         if (!$file = 'files/' . $lang . '/' . $slug . '.md') {
             return false;
         }
diff --git a/app/Exception/ConfigException.php b/app/Exception/ConfigException.php
new file mode 100644
index 0000000..7a36580
--- /dev/null
+++ b/app/Exception/ConfigException.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+class ConfigException extends \Exception
+{
+    public static function NotFoundException(string $file): self
+    {
+        return new self("Configuration file does not exist: `{$file}`.");
+    }
+}
diff --git a/app/Libraries/Configuration.php b/app/Libraries/Configuration.php
new file mode 100644
index 0000000..482fe52
--- /dev/null
+++ b/app/Libraries/Configuration.php
@@ -0,0 +1,48 @@
+<?php
+
+use App\Exception\ConfigException;
+
+class Configuration
+{
+    private static $path  = HLEB_SEARCH_DBASE_CONFIG_FILE;
+
+    private static $cache = [];
+
+    public static function get($name, $default = null)
+    {
+        $file = false !== strpos($name, '.') ? strstr($name, '.', true) : $name;
+
+        $key = ltrim(strstr($name, '.'), '.');
+
+        self::$path = realpath(self::$path);
+
+        if (!self::$path) {
+            echo 'Config path does not exist';
+            exit;
+        }
+
+        if (!is_file(self::$path . '/' . $file . '.php')) {
+            throw ConfigException::NotFoundException($file);
+        }
+
+        if (!array_key_exists(self::$path . '/' . $file . '.php', self::$cache)) {
+
+            $data = include self::$path . '/' . $file . '.php';
+
+            if (!is_array($data)) {
+                echo ('This is not an array: ' . self::$path . '/' . $file . '.php');
+            }
+
+            self::$cache[self::$path . '/' . $file . '.php'] = $data;
+        }
+
+        if ($name === $file) {
+            return self::$cache[self::$path . '/' . $file . '.php'];
+        }
+
+        if (array_key_exists($key, self::$cache[self::$path . '/' . $file . '.php'])) {
+            return self::$cache[self::$path . '/' . $file . '.php'][$key];
+        }
+        return $default;
+    }
+}
diff --git a/app/Libraries/Data.php b/app/Libraries/Data.php
deleted file mode 100644
index bbb2df2..0000000
--- a/app/Libraries/Data.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-// Constants to use
-class Data
-{
-    const LANG = ['ru', 'en'];
-    const DEFAULT_LANG = ['ru', 'en'];
-
-    const NAME =  'LibArea';
-
-    const LOGO_BIG = '<img class="logo" alt="LibArea" src="/assets/images/LibArea_limpid.png">';
-    const LOGO_SMALL = '<a title="LibArea" href="/">LibArea</a>';
-
-
-    public static function lang($lang = 'ru')
-    {
-        $lang = $lang ?? self::DEFAULT_LANG;
-        Translate::setLang($lang);
-    }
-}
diff --git a/app/helpers.php b/app/helpers.php
new file mode 100644
index 0000000..556ab06
--- /dev/null
+++ b/app/helpers.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Global "helper" functions.
+ *
+ * Глобальные «вспомогательные» функции.
+ */
+
+// @param  string|null $key
+function __(string $key = null, array $params = [])
+{
+    if ($key === null) {
+        return $key;
+    }
+
+    return Translate::get($key, $params);
+}
+
+function url(string $key = null, array $params = [])
+{
+    if ($key === null) {
+        return $key;
+    }
+
+    return hleb_get_by_name($key, $params);
+}
+
+function config(string $key = null)
+{
+    if ($key === null) {
+        return $key;
+    }
+
+    return Configuration::get($key);
+}
diff --git a/composer.json b/composer.json
index 69ea2d2..74e30f1 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,10 @@
       "App\\": "app/",
       "Phphleb\\": "vendor/phphleb/",
       "Hleb\\": "vendor/phphleb/framework/"
-    }
+    },
+    "files": [
+        "app/helpers.php"
+    ]
   },
   "config": {
     "optimize-autoloader": true
diff --git a/resources/views/article.php b/resources/views/article.php
index 9c75edb..15ffe87 100644
--- a/resources/views/article.php
+++ b/resources/views/article.php
@@ -2,15 +2,15 @@
 
 <div id="contentWrapper" class="wrap">
   <main>
-    <?= $data['contents']; ?>
-  </main>
-  <?php if ($data['headings']) { ?>
-    <?php if ($data['headings']) { ?>
+    <?= $data['contents']; ?> 
+  </main>  
+  <?php if($data['headings']) { ?> 
+    <?php if($data['headings']) { ?> 
       <aside>
-        <?= $data['headings']; ?>
+        <?= $data['headings']; ?> 
       </aside>
-    <?php } ?>
-  <?php } ?>
-</div>
+    <?php } ?> 
+  <?php } ?>   
+</div>  
 
-<?= includeTemplate('footer'); ?>
\ No newline at end of file
+<?= includeTemplate('footer'); ?>
diff --git a/resources/views/footer.php b/resources/views/footer.php
index 3d456c6..df1facf 100644
--- a/resources/views/footer.php
+++ b/resources/views/footer.php
@@ -1,5 +1,4 @@
 </body>
 <?= getRequestResources()->getBottomStyles(); ?>
 <?= getRequestResources()->getBottomScripts(); ?>
-
 </html>
\ No newline at end of file
diff --git a/resources/views/header.php b/resources/views/header.php
index 9621850..e034195 100644
--- a/resources/views/header.php
+++ b/resources/views/header.php
@@ -1,34 +1,29 @@
-<?php
-use Hleb\Constructor\Handlers\Request;
-Request::getHead()->addStyles('/assets/css/style.css?1');
-Request::getResources()->addBottomScript('/assets/js/app.js?1');
+<?php 
+Request::getHead()->addStyles('/assets/css/style.css?1'); 
+Request::getResources()->addBottomScript('/assets/js/app.js?1'); 
 $bg = $type == 'main' ? 'bg' : 'no';
-$logo  = $type == 'main' ? '<div class="p40"></div>' : Data::LOGO_SMALL;
+$logo  = $type == 'main' ? '<div class="p40"></div>' : config('general.logo_small');
 ?>
 
 <!DOCTYPE html>
 <html lang="ru">
-
 <head>
-  <meta http-equiv="content-type" content="text/html; charset=utf-8">
-  <meta name="viewport" content="width=device-width" />
-  <meta name="description" content="<?= $desc; ?>" />
-  <meta name="theme-color" content="#ff786c">
-  <?php getRequestHead()->output(); ?>
-  <link rel="icon" href="/favicon.ico" type="image/x-icon">
-  <title><?= $title; ?> | <?= Data::NAME; ?></title>
+    <meta http-equiv="content-type" content="text/html; charset=utf-8">
+    <meta name="viewport" content="width=device-width" />
+    <meta name="description" content="<?= $desc; ?>" />
+    <meta name="theme-color" content="#ff786c">
+    <?php getRequestHead()->output(); ?>
+    <link rel="icon" href= "/favicon.ico" type="image/x-icon">
+    <title><?= $title; ?> |  <?= config('general.name'); ?></title>
 </head>
-
 <body class="<?= $bg; ?><?php if (Request::getCookie('dayNight') == 'dark') { ?> dark<?php } ?>">
-  <header>
-    <div class="wrap">
-      <nav class="navbar">
-        <?= $logo; ?>
-        <div id="toggledark">
-          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24px" height="24px">
-            <path d="M 11 0 L 11 3 L 13 3 L 13 0 L 11 0 z M 4.2226562 2.8085938 L 2.8085938 4.2226562 L 4.9296875 6.34375 L 6.34375 4.9296875 L 4.2226562 2.8085938 z M 19.777344 2.8085938 L 17.65625 4.9296875 L 19.070312 6.34375 L 21.191406 4.2226562 L 19.777344 2.8085938 z M 12 5 C 8.1458514 5 5 8.1458514 5 12 C 5 15.854149 8.1458514 19 12 19 C 15.854149 19 19 15.854149 19 12 C 19 8.1458514 15.854149 5 12 5 z M 12 7 C 14.773268 7 17 9.2267316 17 12 C 17 14.773268 14.773268 17 12 17 C 9.2267316 17 7 14.773268 7 12 C 7 9.2267316 9.2267316 7 12 7 z M 0 11 L 0 13 L 3 13 L 3 11 L 0 11 z M 21 11 L 21 13 L 24 13 L 24 11 L 21 11 z M 4.9296875 17.65625 L 2.8085938 19.777344 L 4.2226562 21.191406 L 6.34375 19.070312 L 4.9296875 17.65625 z M 19.070312 17.65625 L 17.65625 19.070312 L 19.777344 21.191406 L 21.191406 19.777344 L 19.070312 17.65625 z M 11 21 L 11 24 L 13 24 L 13 21 L 11 21 z" />
-          </svg>
-        </div>
-      </nav>
-    </div>
-  </header>
\ No newline at end of file
+<header>
+  <div class="wrap">
+    <nav class="navbar"> 
+      <?= $logo; ?>
+      <div id="toggledark">
+        <svg xmlns="http://www.w3.org/2000/svg"  viewBox="0 0 24 24" width="24px" height="24px"><path d="M 11 0 L 11 3 L 13 3 L 13 0 L 11 0 z M 4.2226562 2.8085938 L 2.8085938 4.2226562 L 4.9296875 6.34375 L 6.34375 4.9296875 L 4.2226562 2.8085938 z M 19.777344 2.8085938 L 17.65625 4.9296875 L 19.070312 6.34375 L 21.191406 4.2226562 L 19.777344 2.8085938 z M 12 5 C 8.1458514 5 5 8.1458514 5 12 C 5 15.854149 8.1458514 19 12 19 C 15.854149 19 19 15.854149 19 12 C 19 8.1458514 15.854149 5 12 5 z M 12 7 C 14.773268 7 17 9.2267316 17 12 C 17 14.773268 14.773268 17 12 17 C 9.2267316 17 7 14.773268 7 12 C 7 9.2267316 9.2267316 7 12 7 z M 0 11 L 0 13 L 3 13 L 3 11 L 0 11 z M 21 11 L 21 13 L 24 13 L 24 11 L 21 11 z M 4.9296875 17.65625 L 2.8085938 19.777344 L 4.2226562 21.191406 L 6.34375 19.070312 L 4.9296875 17.65625 z M 19.070312 17.65625 L 17.65625 19.070312 L 19.777344 21.191406 L 21.191406 19.777344 L 19.070312 17.65625 z M 11 21 L 11 24 L 13 24 L 13 21 L 11 21 z"/></svg>
+      </div>
+    </nav>
+  </div>
+</header>
\ No newline at end of file
diff --git a/resources/views/index.php b/resources/views/index.php
index edeb25e..976c25b 100644
--- a/resources/views/index.php
+++ b/resources/views/index.php
@@ -1,14 +1,14 @@
 <?= includeTemplate('header', ['desc' => $desc, 'title' => $title, 'type' => $type]); ?>
 <div class="box-flex">
-  <?= Data::LOGO_BIG; ?>
+  <?= config('general.logo_big'); ?>
   <div class="text-max-w500">
-    <?= $help; ?>.
-  </div>
-</div>
+      <?= $help; ?>.
+  </div>  
+</div>  
 
 <div class="box-flex">
   <a class="button-large" href="<?= getUrlByName('welcome', ['lang' => 'ru']); ?>">Русский</a>
   <a class="button-large" href="<?= getUrlByName('welcome', ['lang' => 'en']); ?>">English</a>
-</div>
+</div>  
 
-<?= includeTemplate('footer'); ?>
\ No newline at end of file
+<?= includeTemplate('footer'); ?>
diff --git a/start.hleb.php b/start.hleb.php
index 9cd944e..65c3981 100644
--- a/start.hleb.php
+++ b/start.hleb.php
@@ -180,5 +180,20 @@ error_reporting(E_ALL);
  */
 define( 'HLEB_PROJECT_VALIDITY_URL', "/^[a-z0-9\_\-\/\.\@]+$/u" );
 
+/*
+ |-----------------------------------------------------------------------------
+ | The path to the configuration files
+ |-----------------------------------------------------------------------------
+ |
+ | Database configuration files and general site settings
+ |
+ |-----------------------------------------------------------------------------
+ | Путь к файлам конфигурации
+ |-----------------------------------------------------------------------------
+ |
+ | Файлы конфигурации базы данных и общие настройки сайта
+ |
+ */
 
+define('HLEB_SEARCH_DBASE_CONFIG_FILE', realpath(HLEB_GLOBAL_DIRECTORY . '/config'));