diff --git a/src/core/containers/center_container.py b/src/core/containers/center_container.py
index 7b12bf0..0ee7b6d 100644
--- a/src/core/containers/center_container.py
+++ b/src/core/containers/center_container.py
@@ -6,6 +6,7 @@ gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 
 # Application imports
+from .quad.quad_container import QuadContainer 
 from core.widgets.webkit.webkit_ui import WebkitUI
 
 
@@ -43,20 +44,24 @@ class CenterContainer(Gtk.Box):
     def _load_widgets(self):
         widget_registery.expose_object("center-container", self)
 
-        glade_box = widget_registery.get_object("glade_box")
-        button    = Gtk.Button(label = "Click Me!")
-        webkit_ui = WebkitUI()
-
-        webkit_ui.load_context_base_path()
+        quad_container = QuadContainer()
+        webkit_ui      = WebkitUI()
+        button         = Gtk.Button(label = "Click Me!")
+        label          = Gtk.Label(label = "bright")
+        glade_box      = widget_registery.get_object("glade_box")
 
         button.connect("clicked", self._hello_world)
-
+        webkit_ui.load_context_base_path()
         button.show()
+        label.show()
         glade_box.show()
 
-        self.add(button)
-        self.add(glade_box)
-        self.add(webkit_ui)
+        quad_container.top_container.pack1(button, True, True)
+        quad_container.top_container.pack2(glade_box, True, True)
+        quad_container.bottom_container.pack1(webkit_ui, True, True)
+        quad_container.bottom_container.pack2(label, True, True)
+
+        self.add(quad_container)
 
     def _hello_world(self, widget = None, eve = None):
-        logger.debug("Hello, World!")
\ No newline at end of file
+        logger.debug("Hello, World!")
diff --git a/src/core/containers/quad/__init__.py b/src/core/containers/quad/__init__.py
new file mode 100644
index 0000000..c59e952
--- /dev/null
+++ b/src/core/containers/quad/__init__.py
@@ -0,0 +1,3 @@
+"""
+    Containers Package
+"""
\ No newline at end of file
diff --git a/src/core/containers/quad/bottom_container.py b/src/core/containers/quad/bottom_container.py
new file mode 100644
index 0000000..99e1df5
--- /dev/null
+++ b/src/core/containers/quad/bottom_container.py
@@ -0,0 +1,44 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class BottomContainer(Gtk.Paned):
+    def __init__(self):
+        super(BottomContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("quad-bottom-container")
+
+        self.set_hexpand(True)
+        self.set_vexpand(True)
+        self.set_wide_handle(True)
+        self.set_orientation(Gtk.Orientation.HORIZONTAL)
+
+    def _setup_signals(self):
+        self.connect("show", self._handle_show)
+
+    def _subscribe_to_events(self):
+        pass
+
+    def _handle_show(self, widget):
+        self.disconnect_by_func( self._handle_show )
+        self._load_widgets()
+        self.show_all()
+
+    def _load_widgets(self):
+        widget_registery.expose_object("quad-bottom-container", self)
diff --git a/src/core/containers/quad/quad_container.py b/src/core/containers/quad/quad_container.py
new file mode 100644
index 0000000..2f94ebc
--- /dev/null
+++ b/src/core/containers/quad/quad_container.py
@@ -0,0 +1,59 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from .top_container import TopContainer
+from .bottom_container import BottomContainer
+
+
+
+class QuadContainer(Gtk.Paned):
+    def __init__(self):
+        super(QuadContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("quad-container")
+
+        self.set_hexpand(True)
+        self.set_vexpand(True)
+        self.set_wide_handle(True)
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+
+    def _setup_signals(self):
+        self.connect("show", self._handle_show)
+        self.connect("size-allocate", self._size_allocate)
+
+    def _subscribe_to_events(self):
+        pass
+
+    def _handle_show(self, widget):
+        self.disconnect_by_func( self._handle_show )
+        self._load_widgets()
+
+    def _size_allocate(self, widget, allocation):
+        self.disconnect_by_func( self._size_allocate )
+
+        self.top_container.set_position( allocation.width / 2 )
+        self.bottom_container.set_position( allocation.width / 2 )
+        self.set_position( allocation.height / 2 )
+
+    def _load_widgets(self):
+        widget_registery.expose_object("quad-container", self)
+
+        self.top_container    = TopContainer()
+        self.bottom_container = BottomContainer()
+
+        self.pack1(self.top_container, True, True)
+        self.pack2(self.bottom_container, True, True)
diff --git a/src/core/containers/quad/top_container.py b/src/core/containers/quad/top_container.py
new file mode 100644
index 0000000..ef5a57a
--- /dev/null
+++ b/src/core/containers/quad/top_container.py
@@ -0,0 +1,44 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+
+class TopContainer(Gtk.Paned):
+    def __init__(self):
+        super(TopContainer, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+
+        self.show()
+
+
+    def _setup_styling(self):
+        self.ctx = self.get_style_context()
+        self.ctx.add_class("quad-top-container")
+
+        self.set_hexpand(True)
+        self.set_vexpand(True)
+        self.set_wide_handle(True)
+        self.set_orientation(Gtk.Orientation.HORIZONTAL)
+
+    def _setup_signals(self):
+        self.connect("show", self._handle_show)
+
+    def _subscribe_to_events(self):
+        pass
+
+    def _handle_show(self, widget):
+        self.disconnect_by_func( self._handle_show )
+        self._load_widgets()
+        self.show_all()
+
+    def _load_widgets(self):
+        widget_registery.expose_object("quad-top-container", self)
diff --git a/src/libs/controllers/controller_base.py b/src/libs/controllers/controller_base.py
index 3997ba6..53ce236 100644
--- a/src/libs/controllers/controller_base.py
+++ b/src/libs/controllers/controller_base.py
@@ -37,8 +37,10 @@ class ControllerBase(Singleton, EmitDispatcher):
         return self.controller_message_bus.message_to(name, event)
 
     def message_to_selected(self, names: list[str], event: BaseEvent):
-        for name in names:
+        return [
             self.controller_message_bus.message_to_selected(name, event)
+            for name in names
+        ]
 
     def register_controller(self, name: str, controller):
         self.controller_message_bus.register_controller(name, controller)
diff --git a/src/plugins/plugin_types/plugin_code.py b/src/plugins/plugin_types/plugin_code.py
index 3c6188d..3106eaf 100644
--- a/src/plugins/plugin_types/plugin_code.py
+++ b/src/plugins/plugin_types/plugin_code.py
@@ -41,10 +41,10 @@ class PluginCode(PluginBase):
         return self.plugin_context.request_ui_element(element_id)
 
     def emit(self, event: BaseEvent):
-        return self.plugin_context.emit(event)
+        self.plugin_context.emit(event)
 
     def emit_to(self, name: str, event: BaseEvent):
-        return self.plugin_context.emit_to(name, event)
+        self.plugin_context.emit_to(name, event)
 
     def emit_to_selected(self, names: list[str], event: BaseEvent):
-        return self.plugin_context.emit_to_selected(names, event)
+        self.plugin_context.emit_to_selected(names, event)
diff --git a/src/plugins/plugin_types/plugin_ui.py b/src/plugins/plugin_types/plugin_ui.py
index f09e09f..46ae04a 100644
--- a/src/plugins/plugin_types/plugin_ui.py
+++ b/src/plugins/plugin_types/plugin_ui.py
@@ -10,7 +10,7 @@ from .plugin_base import PluginBase
 
 
 
-class PluginCodeException(Exception):
+class PluginUIException(Exception):
     ...
 
 
@@ -23,22 +23,22 @@ class PluginUI(PluginBase):
 
 
     def _controller_message(self, event: BaseEvent):
-        raise PluginCodeException("Plugin UI '_controller_message' must be overriden by Plugin")
+        raise PluginUIException("Plugin UI '_controller_message' must be overriden by Plugin")
 
     def load(self):
-        raise PluginCodeException("Plugin UI 'load' must be overriden by Plugin")
+        raise PluginUIException("Plugin UI 'load' must be overriden by Plugin")
 
     def run(self):
-        raise PluginCodeException("Plugin UI 'run' must be overriden by Plugin")
+        raise PluginUIException("Plugin UI 'run' must be overriden by Plugin")
 
     def request_ui_element(self, element_id: str):
         return self.plugin_context.request_ui_element(element_id)
 
     def emit(self, event: BaseEvent):
-        return self.plugin_context.emit(event)
+        self.plugin_context.emit(event)
 
     def emit_to(self, name: str, event: BaseEvent):
-        return self.plugin_context.emit_to(name, event)
+        self.plugin_context.emit_to(name, event)
 
     def emit_to_selected(self, names: list[str], event: BaseEvent):
-        return self.plugin_context.emit_to_selected(names, event)
+        self.plugin_context.emit_to_selected(names, event)