diff --git a/dev/demo/all.html b/dev/demo/all.html
index 8417903..bd7461c 100644
--- a/dev/demo/all.html
+++ b/dev/demo/all.html
@@ -37,12 +37,12 @@
 	  <!-- <i class="fa fa-arrow-circle-down show-hint" onclick="hint.popUp()"></i> -->
 	</div>
 
-        <!-- Search in the following virtual collection -->
+        <!-- Search in the following virtual corpus -->
         <div id="vc-view"></div>
         in
         <input id="show" name="show" type="hidden" />
         <!--<input id="collection-name" name="collection-name" type="hidden"> -->
-        <input id="collection" name="collection" type="text" value="">
+        <input id="cq" name="cq" type="text" value="">
 	with <span class="menu select">
 	  <select name="ql" id="ql-field">
 	    <option value="poliqarp">Poliqarp</option>
@@ -111,7 +111,7 @@
 
 KorAP.koralQuery = {
   "matches":["..."],
-        "collection":{
+        "corpus":{
         "@type": "koral:docGroup",
         "operation": "operation:or", "operands": [{
       "@type": "koral:docGroup",
diff --git a/dev/demo/alldemo.js b/dev/demo/alldemo.js
index 6f9f60b..108bfe6 100644
--- a/dev/demo/alldemo.js
+++ b/dev/demo/alldemo.js
@@ -774,7 +774,7 @@
 require(['app/en', 'init', 'hint/foundries/cnx'], function (lang) {
   KorAP.hintArray = hintArray;
 
-  // Set current virtual collection
+  // Set current virtual corpus
   // KorAP.currentVC = vcExample;
 
   // Parse and show the table
diff --git a/dev/demo/sidebar-login.html b/dev/demo/sidebar-login.html
index eb2f429..2b127f1 100644
--- a/dev/demo/sidebar-login.html
+++ b/dev/demo/sidebar-login.html
@@ -54,12 +54,12 @@
 	  <!-- <i class="fa fa-arrow-circle-down show-hint" onclick="hint.popUp()"></i> -->
 	</div>
 
-        <!-- Search in the following virtual collection -->
+        <!-- Search in the following virtual corpus -->
         <div id="vc-view"></div>
         in
         <input id="show" name="show" type="hidden" />
-        <input id="collection-name" name="collection-name" type="hidden">
-        <input id="collection" name="collection" type="text" value="">
+        <!--<input id="collection-name" name="collection-name" type="hidden"> -->
+        <input id="cq" name="cq" type="text" value="">
 	with <span class="menu select">
 	  <select name="ql" id="ql-field">
 	    <option value="poliqarp">Poliqarp</option>
diff --git a/dev/demo/vcdemo.js b/dev/demo/vcdemo.js
index e0b9f16..75c7cf1 100644
--- a/dev/demo/vcdemo.js
+++ b/dev/demo/vcdemo.js
@@ -67,7 +67,7 @@
   ]
 };
 
-var collections = [
+var corpora = [
   {
     "statistics":{
       "paragraphs":2034752,
@@ -120,7 +120,7 @@
 
   domReady(function() {
 
-    // Create a new virtual collection by passing a based json object and
+    // Create a new virtual corpus by passing a based json object and
     // field menu information
     KorAP.vc = vcClass.create([
       ['title', 'string'],
diff --git a/dev/js/spec/tourSpec.js b/dev/js/spec/tourSpec.js
index 18d3b4e..55307b4 100644
--- a/dev/js/spec/tourSpec.js
+++ b/dev/js/spec/tourSpec.js
@@ -14,11 +14,11 @@
       "<input autocapitalize='off' autocomplete='off' autocorrect='off' autofocus='autofocus' id='q-field' name='q' placeholder='Finde ...' spellcheck='false' type='search'>" +
       "<button type='submit' id='qsubmit' title='Los!'><span>Los!</span></button>" + 
     "</div>" + 
-    "<!-- Search in the following virtual collection -->"+
+    "<!-- Search in the following virtual corpus -->"+
     "<div id='vc-view'></div>" +
     "in" +
     "<span id='vc-choose' class='select'><span>allen Korpora</span></span>" +
-    "<input id='collection' name='collection' type='text' style='display: none;'>" +
+    "<input id='cq' name='cq' type='text' style='display: none;'>" +
       "mit" +
       "<span class='select'>" +
         "<select id='ql-field' name='ql' style='display: none;'>" +
diff --git a/dev/js/spec/vcSpec.js b/dev/js/spec/vcSpec.js
index 564b8d6..388a26d 100644
--- a/dev/js/spec/vcSpec.js
+++ b/dev/js/spec/vcSpec.js
@@ -1561,7 +1561,7 @@
       );
     });
 
-    it('should be deserializable from collection 1', function () {
+    it('should be deserializable from collection/corpus 1', function () {
       var kq = {
         "matches":["..."],
         "collection":{
@@ -1624,6 +1624,13 @@
       
       var vc = vcClass.create().fromJson(kq["collection"]);
       expect(vc.toQuery()).toEqual('(title = "Der Birnbaum" & pubPlace = "Mannheim" & (subTitle = "Aufzucht und Pflege" | subTitle = "Gedichte")) | pubDate since 2015-03-05');
+
+      kq["corpus"] = kq["collection"]
+      delete kq["collection"]
+
+      vc = vcClass.create().fromJson(kq["corpus"]);
+      expect(vc.toQuery()).toEqual('(title = "Der Birnbaum" & pubPlace = "Mannheim" & (subTitle = "Aufzucht und Pflege" | subTitle = "Gedichte")) | pubDate since 2015-03-05');
+      
     });
 
     it('should be deserializable from collection 2', function () {
@@ -1692,6 +1699,7 @@
       expect(vc.toQuery()).toEqual('availability = /CC-BY.*/ & author = "Goethe"');
     });
 
+    
     it('shouldn\'t be deserializable from collection with unknown type', function () {
       var kq = {
         "@type" : "koral:doc",
diff --git a/dev/js/src/api.js b/dev/js/src/api.js
index e536ea2..eae75a8 100644
--- a/dev/js/src/api.js
+++ b/dev/js/src/api.js
@@ -85,7 +85,7 @@
 
 
   /**
-   * Retrieve information about collections
+   * Retrieve information about virtual corpora
    */
   KorAP.API.getCollections = function (cb) {
     KorAP.API.getJSON(KorAP.URL + '/collection', cb, "CorpusInfo");
diff --git a/dev/js/src/init.js b/dev/js/src/init.js
index ec11cf5..6de66d8 100644
--- a/dev/js/src/init.js
+++ b/dev/js/src/init.js
@@ -95,10 +95,10 @@
     };
 
     /**
-     * Replace Virtual Collection field
+     * Replace Virtual Corpus field
      */
     var vcname, vcchoose;
-    var input = d.getElementById('collection');
+    var input = d.getElementById('cq');
 
     var vc = KorAP.vc;
     
@@ -110,9 +110,10 @@
       vcname.classList.add('select');
 
       // Load virtual corpus object
-      if (KorAP.koralQuery !== undefined && KorAP.koralQuery["collection"]) {
+      // Supports "collection" for legacy reasons
+      if (KorAP.koralQuery !== undefined && (KorAP.koralQuery["collection"] || KorAP.koralQuery["corpus"])) {
         try {
-          vc.fromJson(KorAP.koralQuery["collection"]);
+          vc.fromJson(KorAP.koralQuery["collection"] || KorAP.koralQuery["corpus"]);
         }
         catch (e) {
           KorAP.log(0,e);
@@ -264,12 +265,12 @@
 
 
     /*
-     * Toggle the Virtual Collection builder
+     * Toggle the Virtual Corpus builder
      */
     if (vcname) {
       vc.onMinimize = function () {
         vcname.classList.remove('active');
-        delete show['collection'];
+        delete show['vc'];
       };
 
       vc.onOpen = function () {
@@ -279,7 +280,7 @@
         if (!view.firstChild)
           view.appendChild(this.element());
         
-        show['collection'] = true;
+        show['vc'] = true;
       };
       
       var vcclick = function () {
@@ -294,7 +295,7 @@
       vcname.onclick = vcclick;
 
       // Click, if the VC should be shown
-      if (show['collection']) {
+      if (show['vc']) {
         vcclick.apply();
       };
     };
diff --git a/dev/js/src/loc/de.js b/dev/js/src/loc/de.js
index de0ab80..99d3fa3 100644
--- a/dev/js/src/loc/de.js
+++ b/dev/js/src/loc/de.js
@@ -4,14 +4,7 @@
   loc.AND = 'und';
   // EMPTY, DELETE
 
-  // Virtual collection:
-  /*
-  loc.VC_subTitle = 'Untertitel';
-  loc.VC_title = 'Titel';
-  loc.VC_pubDate = 'Veröffentlichungsdatum';
-  loc.VC_pubPlace = 'Veröffentlichungsort';
-  */
-
+  // Virtual corpus:
   loc.VC_allCorpora = 'allen Korpora';
   loc.VC_oneCollection = 'einem virtuellen Korpus';
 
diff --git a/dev/js/src/vc.js b/dev/js/src/vc.js
index fd67863..5d1ccf0 100644
--- a/dev/js/src/vc.js
+++ b/dev/js/src/vc.js
@@ -1,6 +1,6 @@
 /**
- * Create virtual collections with a visual user interface. This resembles the
- * collection type objects of a KoralQuery "collection" object.
+ * Create virtual corpora with a visual user interface. This resembles the
+ * corpus/collection type objects of a KoralQuery "collection"/"corpus" object.
  * 
  * KoralQuery v0.3 is expected.
  * 
@@ -115,18 +115,18 @@
   };
 
   /**
-   * Virtual Collection
+   * Virtual corpus
    */
   return {
 
     /**
-     * The JSON-LD type of the virtual collection
+     * The JSON-LD type of the virtual corpus
      */
     ldType : function() {
       return null;
     },
 
-    // Initialize virtual collection
+    // Initialize virtual corpus
     _init : function(keyList) {
 
       // Inject localized css styles
@@ -164,7 +164,7 @@
     },
 
     /**
-     * Create a new virtual collection.
+     * Create a new virtual corpus
      */
     create : function(keyList) {
       var obj = Object.create(this)._init(keyList);
@@ -174,8 +174,8 @@
 
 
     /**
-     * Create and render a new virtual collection based on a KoralQuery
-     * collection document
+     * Create and render a new virtual corpus based on a KoralQuery
+     * corpus document
      */
     fromJson : function(json) {
       if (json !== undefined) {
@@ -255,7 +255,7 @@
     },
 
     /**
-     * Get or set the root object of the virtual collection.
+     * Get or set the root object of the virtual corpus
      */
     root : function(obj) {
       if (arguments.length === 1) {
diff --git a/dev/js/src/vc/choosemenu.js b/dev/js/src/vc/choosemenu.js
index 84f6ae9..90660b7 100644
--- a/dev/js/src/vc/choosemenu.js
+++ b/dev/js/src/vc/choosemenu.js
@@ -1,5 +1,5 @@
 /**
- * Menu showing all predefined virtual collections.
+ * Menu showing all predefined virtual corpora.
  * THIS IS EXPERIMENTAL AND MAY BE REMOVED!
  */
 define(['vc/menu', 'api'], function (menuClass, itemClass) {
diff --git a/dev/js/src/vc/stringval.js b/dev/js/src/vc/stringval.js
index 77c6d90..8b05787 100644
--- a/dev/js/src/vc/stringval.js
+++ b/dev/js/src/vc/stringval.js
@@ -1,5 +1,5 @@
 /**
- * Add string values to the virtual collection
+ * Add string values to the virtual corpus
  */
 define(['util'], {
 
diff --git a/dev/js/src/vc/unspecified.js b/dev/js/src/vc/unspecified.js
index 416ad85..4ffe507 100644
--- a/dev/js/src/vc/unspecified.js
+++ b/dev/js/src/vc/unspecified.js
@@ -1,5 +1,5 @@
 /**
- * An unspecified criterion in a virtual collection.
+ * An unspecified criterion in a virtual corpus.
  * Inherits everything from jsonld
  */
 define([