Index: /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/BasePage.java
===================================================================
--- /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/BasePage.java	(revision 5592)
+++ /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/BasePage.java	(revision 5593)
@@ -26,15 +26,13 @@
         // main navigation menu
         final Menu menu = new Menu("menu");
-        menu.addMenuItem(new MenuItem<BrowsePublicCollectionsPage>(
-                new Model<String>("Virtual Collections"),
+        menu.addMenuItem(new MenuItem<>(Model.of("Virtual Collections"),
                 BrowsePublicCollectionsPage.class));
-        menu.addMenuItem(new MenuItem<BrowsePrivateCollectionsPage>(
-                new Model<String>("My Virtual Collections"),
+        menu.addMenuItem(new MenuItem<>(Model.of("My Virtual Collections"),
                 BrowsePrivateCollectionsPage.class));
-        menu.addMenuItem(new MenuItem<CreateVirtualCollectionPage>(
-                new Model<String>("Create Virtual Collection"),
+        menu.addMenuItem(new MenuItem<>(Model.of("Create Virtual Collection"),
                 CreateVirtualCollectionPage.class));
-        menu.addMenuItem(new MenuItem<AdminPage>(
-                new Model<String>("Admin Page"),
+        menu.addMenuItem(new MenuItem<>(Model.of("Help"),
+                HelpPage.class));        
+        menu.addMenuItem(new MenuItem<>(Model.of("Admin Page"),
                 AdminPage.class));
         add(menu);
Index: /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/HelpPage.html
===================================================================
--- /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/HelpPage.html	(revision 5593)
+++ /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/HelpPage.html	(revision 5593)
@@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+      xmlns:wicket="http://wicket.apache.org/">
+    <head />
+    <body>
+        <wicket:extend>
+            <div id="help">
+                <h1>Definitions</h1>
+                <h3>Collection types</h3>
+                <dl>
+                    <dt>extensional</dt>
+                    <dd>
+                        Type of virtual collection that explicitly enumerates the references to resources or metadata documents that make up the collection
+                        <dl>
+                            <dt>resources</dt>
+                            <dd>
+                                The members that make up the virtual collection by means of a persistent reference.
+                                These members may be of type <em>metadata</em> for referencing metadata, or <em>resource</em> for directly referencing a resource.
+                            </dd>
+                        </dl>
+                    </dd>
+
+                    <dt>intensional</dt>
+                    <dd>
+                        Type of virtual collection that defines a query by which the items of the collection can be retrieved ad-hoc from a secondary service <em>(experimental, use at own risk!)</em>
+                        <dl>
+                            <dt>query description</dt>
+                            <dd>
+                                A prose description of the procedure by which the collection items can be retrieved from the external service.
+                            </dd>
+                            <dt>query URI</dt>
+                            <dd>
+                                The location of the service from which the items should be retrieved. This value may be a persistent identifier, but could also be a plain URI although this is advised against for published collections.
+                            </dd>
+                            <dt>query profile</dt>
+                            <dd>
+                                Identifier of the mechanism, i.e. the protocol to be used, by which the members of the virtual collection should be retrieved. A application exploiting the query can use this to use a proper driver to talk to the service. Example: In case of CLARIN-FCS access the endpoint by FCS-compatible means.
+                            </dd>
+                            <dt>query value</dt>
+                            <dd>
+                                The query that should be passed on to the service by which it can look up the items that are part of this collection. This value should be in the query language supported by the service. Example: In case of CLARIN-FCS, this value is the CQL query to be send to the endpoint.
+                            </dd>
+                        </dl>
+                    </dd>
+                </dl>
+
+                <h3>General collection properties</h3>
+                <dl>                    
+                    <dt>purpose</dt>
+                    <dd>
+                        An indication of the intended usage of the present virtual collection:
+                        <dl>
+                            <dt>research</dt>
+                            <dd>
+                                The virtual collection bundles resources that are relevant to a specific research (question).
+                            </dd>
+                            <dt>reference</dt>
+                            <dd>
+                                The virtual collection bundles resources, that are to be cited in a publication.
+                            </dd>
+                            <dt>sample</dt>
+                            <dd>
+                                This virtual collection bundles is intended to serve as an sample for research data
+                            </dd>
+                            <dt>future-use</dt>
+                            <dd>
+                                The purpose of this virtual collection is not specified yet. Used in published collection is advised against.
+                            </dd>
+                        </dl>
+                    </dd>
+
+                    <dt>reproducibility</dt>
+                    <dd>
+                        An indication of the degree to which results obtained from processing of the present collection can be expected to be stable:
+                        <dl>
+                            <dt>intended reproducibility</dt>
+                            <dd>
+                                Processing results can be expected to remain stable
+                            </dd>
+                            <dt>fluctuating reproducibility</dt>
+                            <dd>
+                                Processing results may vary
+                            </dd>
+                            <dt>untended reproducibility</dt>
+                            <dd>
+                                No claims with respect to the stability of the processing results are made
+                            </dd>
+                            <dt>reproducibility note</dt>
+                            <dd>
+                                Optional notes describing the expected reproducibility of processing results in more detail
+                            </dd>
+                        </dl>
+                    </dd>
+
+                    <dt>keyword</dt>
+                    <dd>
+                        A word or short phrase signifying a salient facet of the present virtual collection
+                    </dd>
+
+                    <dt>creators</dt>
+                    <dd>
+                        One or more persons, who created this virtual collection. 
+                    </dd>
+                </dl>
+
+            </div>
+        </wicket:extend>
+    </body>
+</html>
Index: /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/HelpPage.java
===================================================================
--- /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/HelpPage.java	(revision 5593)
+++ /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/java/eu/clarin/cmdi/virtualcollectionregistry/gui/pages/HelpPage.java	(revision 5593)
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2014 CLARIN
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package eu.clarin.cmdi.virtualcollectionregistry.gui.pages;
+
+/**
+ *
+ * @author twagoo
+ */
+public class HelpPage extends BasePage {
+    
+}
Index: /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/webapp/css/vcr.scss
===================================================================
--- /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/webapp/css/vcr.scss	(revision 5592)
+++ /VirtualCollectionRegistry/trunk/VirtualCollectionRegistry/src/main/webapp/css/vcr.scss	(revision 5593)
@@ -56,2 +56,10 @@
     padding: 6px 4px;
 }
+
+div#help  {
+
+    dd {
+        /* indent for the definitions on the help page */
+        margin-left: 2em;
+    }
+}
