diff --git a/gemgraph/main.py b/gemgraph/main.py
index fb8228d..1773047 100644
--- a/gemgraph/main.py
+++ b/gemgraph/main.py
@@ -31,15 +31,28 @@ class GemGraphApplication(Adw.Application):
     """The main application singleton class."""
 
     def __init__(self):
+
+        ENABLE = True
+        DISABLE = False
+
         super().__init__(application_id='org.example.App',
                          flags=Gio.ApplicationFlags.FLAGS_NONE)
-        self.create_action('quit', self.quit, ['<primary>q'])
-        self.create_action('about', self.on_about_action)
-        self.create_action('preferences', self.on_preferences_action)
-        self.create_action('editmode', self.on_editmode_action, ['<primary>e'])
-        self.create_action('runmode', self.on_runmode_action, ['<primary>r'])
-        self.create_action('presentmode', self.on_presentmode_action, ['<primary>p'])
-        self.create_action('togglesidebar', self.on_togglesidebar_action)
+
+        # Create base actions
+        self.create_action('quit', self.quit, ENABLE, ['<primary>q'])
+        self.create_action('about', self.on_about_action, ENABLE)
+        self.create_action('preferences', self.on_preferences_action, ENABLE)
+        self.create_action('togglesidebar', self.on_togglesidebar_action, ENABLE)
+
+        # Create later actions (mode)
+        self.create_action('editmode', self.on_editmode_action, DISABLE, ['<primary>e'])
+        self.create_action('runmode', self.on_runmode_action, DISABLE, ['<primary>r'])
+        self.create_action('presentmode', self.on_presentmode_action, DISABLE, ['<primary>p'])
+
+        # Create file actions
+        self.create_action('openfile', self.do_open, DISABLE)
+        self.create_action('closefile', self.on_close_action, DISABLE)
+        self.create_action('savefile', self.on_save_action, DISABLE, ['<primary>s'])
 
     def do_activate(self):
         """Called when the application is activated.
@@ -53,7 +66,7 @@ class GemGraphApplication(Adw.Application):
             win = GemGraphWindow(application=self)
 
         # Display run mode by default
-        win.stack_switch_mode("run")
+        win.stack_switch_mode("home")
         win.present()
 
     def do_open(self):
@@ -61,6 +74,8 @@ class GemGraphApplication(Adw.Application):
 
         We raise the application's main window, creating it if
         necessary.
+
+        Also a callback for the app.openfile action
         """
         print("app.do_open called")
         win = self.props.active_window
@@ -74,6 +89,17 @@ class GemGraphApplication(Adw.Application):
         win.stack_switch_mode("run")
         win.present()
 
+    def on_close_action(self, widget, _):
+        """Callback for the app.closefile action."""
+        print('app.closefile action activated')
+        win = self.props.active_window
+        win.stack_switch_mode("home")
+
+    def on_save_action(self, widget, _):
+        """Callback for the app.savefile action."""
+        print('app.savefile action activated')
+        win = self.props.active_window
+
     def on_about_action(self, widget, _):
         """Callback for the app.about action."""
         about = AboutDialog(self.props.active_window)
@@ -109,7 +135,7 @@ class GemGraphApplication(Adw.Application):
         win = self.props.active_window
         win.toggle_sidebar()
 
-    def create_action(self, name, callback, shortcuts=None):
+    def create_action(self, name, callback, is_enabled, shortcuts=None):
         """Add an application action.
 
         Args:
@@ -120,6 +146,7 @@ class GemGraphApplication(Adw.Application):
         """
         action = Gio.SimpleAction.new(name, None)
         action.connect("activate", callback)
+        action.set_enabled(is_enabled)
         self.add_action(action)
         if shortcuts:
             self.set_accels_for_action(f"app.{name}", shortcuts)
diff --git a/gemgraph/window.py b/gemgraph/window.py
index dc76339..6736a24 100644
--- a/gemgraph/window.py
+++ b/gemgraph/window.py
@@ -32,11 +32,13 @@ class GemGraphWindow(Gtk.ApplicationWindow):
     main_paned = Gtk.Template.Child()
     main_button_mode = Gtk.Template.Child()
     toast_overlay = Gtk.Template.Child()
+    main_button_sidebar = Gtk.Template.Child()
 
     __mode_icon = {
+            "mode_home":"user-home-symbolic" ,
             "mode_edit":"document-edit-symbolic" ,
             "mode_run":"system-run-symbolic" ,
-            "mode_presentation":"video-display-symbolic"
+            "mode_presentation":"x-office-presentation-symbolic"
         }
 
     def __init__(self, **kwargs):
@@ -53,6 +55,8 @@ class GemGraphWindow(Gtk.ApplicationWindow):
         else:
             self.main_paned.set_position(300)
 
+        self.main_button_sidebar.toggled()
+
     def stack_switch_mode(self, mode):
         """
         Sets the active mode from stack. Mode is the name of the mode (string)
diff --git a/ui/gemgraph.ui b/ui/gemgraph.ui
index 423527f..f3189e3 100644
--- a/ui/gemgraph.ui
+++ b/ui/gemgraph.ui
@@ -61,6 +61,18 @@
                     </property>
                   </object>
                 </child>
+		<child>
+                  <object class="GtkStackPage">
+		                <property name="name">side_home</property>
+                    <property name="child">
+                      <object class="GtkLabel" id="labelsidehome">
+                        <property name="justify">center</property>
+                        <property name="label" translatable="yes">&lt;b&gt;Sidebar: home&lt;/b&gt;</property>
+                        <property name="use-markup">True</property>
+                      </object>
+                    </property>
+                  </object>
+                </child>
                 <child>
                   <object class="GtkStackPage">
 		                <property name="name">side_presentation</property>
@@ -101,6 +113,18 @@
                     </property>
                   </object>
                 </child>
+		<child>
+                  <object class="GtkStackPage">
+		                <property name="name">main_home</property>
+                    <property name="child">
+                      <object class="GtkLabel">
+                        <property name="justify">center</property>
+                        <property name="label" translatable="yes">&lt;b&gt;Main zone: home&lt;/b&gt;</property>
+                        <property name="use-markup">True</property>
+                      </object>
+                    </property>
+                  </object>
+                </child>
                 <child>
                   <object class="GtkStackPage">
                     <property name="name">main_presentation</property>
@@ -137,15 +161,15 @@
     <section>
       <item>
         <attribute name="label" translatable="yes">_Open...</attribute>
-        <attribute name="action">app.open_file</attribute>
+        <attribute name="action">app.openfile</attribute>
       </item>
       <item>
         <attribute name="label" translatable="yes">_Close</attribute>
-        <attribute name="action">app.close_file</attribute>
+        <attribute name="action">app.closefile</attribute>
       </item>
       <item>
         <attribute name="label" translatable="yes">_Save</attribute>
-        <attribute name="action">app.save_file</attribute>
+        <attribute name="action">app.savefile</attribute>
       </item>
     </section>
     <section>