diff --git a/qfq/store/Store.php b/qfq/store/Store.php
index 1f136babb2f7c511ad73a5a2ba324a3bf1d22407..b78686e8eafa616c06c5f88d6d4b0dfa4904a4c7 100644
--- a/qfq/store/Store.php
+++ b/qfq/store/Store.php
@@ -29,12 +29,40 @@ require_once(__DIR__ . '/../../qfq/Database.php');
 
 class Store {
 
+    /**
+     * @var Store Instance of class Store. There should only be one class 'Store' at a time.
+     */
     private static $instance = null;
 
+    /**
+     * @var Sip Instance of class SIP
+     */
     private static $sip = null;
 
+    /**
+     * @var array Stores all indiviudal stores with the variable raw values
+     *
+     * $raw['D']['id'] = 0  - Defaultvalues from Tabledefinition
+     * ...
+     * $raw['S']['r'] = 1234 - record ID from current SIP identifier
+     * ...
+     * $raw['C']['HTTP_SERVER'] = 'qfq' - Servername
+     * $raw['C']['s'] = 'badcaffee1234' - recent SIP
+     */
     private static $raw = array();
+
+    /**
+     * @var array Default sanatize classes.
+     */
     private static $sanatizeClass = array();
+
+    /**
+     * $sanatizeClass['S'] = false
+     * $sanatizeClass['C'] = true
+     * ...
+     *
+     * @var array each entry with true/false - depending if store needs to be sanatized.
+     */
     private static $sanatizeStore = array();
 
     /**