diff --git a/cms/models.py b/cms/models.py
index 4d921b5..ad2aa8b 100644
--- a/cms/models.py
+++ b/cms/models.py
@@ -7,35 +7,48 @@ from django.utils.text import slugify
 from django.utils.translation import ugettext as _, ugettext_lazy
 from django.core.urlresolvers import reverse
 
-from django.db.models.signals import post_save
+from django.db.models.signals import post_init, post_save, post_delete
 from django.dispatch import receiver
 
+from taggit.managers import TaggableManager
 
-# Using a separate thread helps for routing, by avoiding to specify an
-# additional argument to get the second model that implies to find it by
-# the name that can be non user-friendly, like /thread/relatedpost/id
 class Thread (models.Model):
+    """
+    Object assigned to any Post and children that can be used to have parent and
+    children relationship between posts of different kind.
+
+    We use this system instead of having directly a GenericForeignKey into the
+    Post because it avoids having to define the relationship with two models for
+    routing (one for the parent and one for the children).
+    """
     post_type = models.ForeignKey(ContentType)
     post_id = models.PositiveIntegerField()
     post = GenericForeignKey('post_type', 'post_id')
 
     @classmethod
-    def get (cl, model, **kwargs):
-        post_type = ContentType.objects.get_for_model(model)
-        return cl.objects.get(post_type__pk = post_type.id,
-                              **kwargs)
+    def __get_query_set (cl, function, model, post, kwargs):
+        if post:
+            model = type(post)
+            kwargs['post_id'] = post.id
+
+        kwargs['post_type'] = ContentType.objects.get_for_model(model)
+        return getattr(cl.objects, function)(**kwargs)
 
     @classmethod
-    def filter (cl, model, **kwargs):
-        post_type = ContentType.objects.get_for_model(model)
-        return cl.objects.filter(post_type__pk = post_type.id,
-                              **kwargs)
+    def get (cl, model = None, post = None, **kwargs):
+        return cl.__get_query_set('get', model, post, kwargs)
 
     @classmethod
-    def exclude (cl, model, **kwargs):
-        post_type = ContentType.objects.get_for_model(model)
-        return cl.objects.exclude(post_type__pk = post_type.id,
-                              **kwargs)
+    def filter (cl, model = None, post = None, **kwargs):
+        return self.__get_query_set('filter', model, post, kwargs)
+
+    @classmethod
+    def exclude (cl, model = None, post = None, **kwargs):
+        return self.__get_query_set('exclude', model, post, kwargs)
+
+    def save (self, *args, **kwargs):
+        self.post = self.__initial_post
+        super().save(*args, **kwargs)
 
     def __str__ (self):
         return self.post_type.name + ': ' + str(self.post)
@@ -57,16 +70,26 @@ class Post (models.Model):
         _('date'),
         default = timezone.datetime.now
     )
-    public = models.BooleanField(
+    published = models.BooleanField(
         verbose_name = _('public'),
         default = True
     )
+
+    title = models.CharField (
+        _('title'),
+        max_length = 128,
+    )
+    content = models.TextField (
+        _('description'),
+        blank = True, null = True
+    )
     image = models.ImageField(
         blank = True, null = True
     )
-
-    title = ''
-    content = ''
+    tags = TaggableManager(
+        _('tags'),
+        blank = True,
+    )
 
     def detail_url (self):
         return reverse(self._meta.verbose_name_plural.lower() + '_detail',
@@ -77,28 +100,7 @@ class Post (models.Model):
         abstract = True
 
 
-@receiver(post_save)
-def on_new_post (sender, instance, created, *args, **kwargs):
-    """
-    Signal handler to create a thread that is attached to the newly post
-    """
-    if not issubclass(sender, Post) or not created:
-        return
-
-    thread = Thread(post = instance)
-    thread.save()
-
-
 class Article (Post):
-    title = models.CharField(
-        _('title'),
-        max_length = 128,
-        blank = False, null = False
-    )
-    content = models.TextField(
-        _('content'),
-        blank = False, null = False
-    )
     static_page = models.BooleanField(
         _('static page'),
         default = False,
@@ -125,18 +127,6 @@ class RelatedPostBase (models.base.ModelBase):
         if related_model:
             attrs['related'] = models.ForeignKey(related_model)
 
-        mapping = rel.get('mapping')
-        if mapping:
-            def get_prop (name, related_name):
-                return property(related_name) if callable(related_name) \
-                        else property(lambda self:
-                                        getattr(self.related, related_name))
-
-            attrs.update({
-                name: get_prop(name, related_name)
-                    for name, related_name in mapping.items()
-            })
-
         if not '__str__' in attrs:
             attrs['__str__'] = lambda self: str(self.related)
 
@@ -144,11 +134,54 @@ class RelatedPostBase (models.base.ModelBase):
 
 
 class RelatedPost (Post, metaclass = RelatedPostBase):
+    related = None
+
     class Meta:
         abstract = True
 
     class Relation:
         related_model = None
-        mapping = None
+        mapping = None          # dict of related mapping values
+        bind_mapping = False    # update fields of related data on save
 
 
+    def get_attribute (self, attr):
+        attr = self.Relation.mappings.get(attr)
+        return self.related.__dict__[attr] if attr else None
+
+    def save (self, *args, **kwargs):
+        if not self.title and self.related:
+            self.title = self.get_attribute('title')
+
+        if self.Relation.bind_mapping:
+            self.related.__dict__.update({
+                rel_attr: self.__dict__[attr]
+                for attr, rel_attr in self.Relation.mapping
+            })
+
+            self.related.save()
+
+        super().save(*args, **kwargs)
+
+
+@receiver(post_init)
+def on_thread_init (sender, instance, **kwargs):
+    if not issubclass(Thread, sender):
+        return
+    instance.__initial_post = instance.post
+
+@receiver(post_save)
+def on_post_save (sender, instance, created, *args, **kwargs):
+    if not issubclass(sender, Post) or not created:
+        return
+
+    thread = Thread(post = instance)
+    thread.save()
+
+@receiver(post_delete)
+def on_post_delete (sender, instance, using, *args, **kwargs):
+    try:
+        Thread.get(sender, post = instance).delete()
+    except:
+        pass
+
diff --git a/cms/views.py b/cms/views.py
index 64d790f..c6494b1 100644
--- a/cms/views.py
+++ b/cms/views.py
@@ -35,10 +35,12 @@ class PostListView (ListView):
     template_name = 'cms/list.html'
     allow_empty = True
 
-    model = None
-    query = None
-    classes = ''
+    website = None
     title = ''
+    classes = ''
+
+    route = None
+    query = None
     embed = False
     fields = [ 'date', 'time', 'image', 'title', 'content' ]
 
@@ -48,12 +50,11 @@ class PostListView (ListView):
             self.query = Query(self.query)
 
     def dispatch (self, request, *args, **kwargs):
-        self.route = self.kwargs.get('route')
+        self.route = self.kwargs.get('route') or self.route
         return super().dispatch(request, *args, **kwargs)
 
     def get_queryset (self):
         qs = self.route.get_queryset(self.model, self.request, **self.kwargs)
-        qs = qs.filter(public = True)
 
         query = self.query or PostListView.Query(self.request.GET)
         if query.exclude:
@@ -92,6 +93,9 @@ class PostDetailView (DetailView):
     Detail view for posts and children
     """
     template_name = 'cms/detail.html'
+    website = None
+
+    embed = False
     sections = []
 
     def __init__ (self, sections = None, *args, **kwargs):
@@ -100,13 +104,13 @@ class PostDetailView (DetailView):
 
     def get_queryset (self, **kwargs):
         if self.model:
-            return super().get_queryset(**kwargs).filter(public = True)
+            return super().get_queryset(**kwargs).filter(published = True)
         return []
 
     def get_object (self, **kwargs):
         if self.model:
             object = super().get_object(**kwargs)
-            if object.public:
+            if object.published:
                 return object
         return None
 
@@ -134,17 +138,19 @@ class ViewSet:
     detail_view = PostDetailView
     detail_sections = []
 
-    def __init__ (self):
+    def __init__ (self, website = None):
         self.detail_sections = [
             section()
                 for section in self.detail_sections
         ]
         self.detail_view = self.detail_view.as_view(
             model = self.model,
-            sections = self.detail_sections
+            sections = self.detail_sections,
+            website = website,
         )
         self.list_view = self.list_view.as_view(
-            model = self.model
+            model = self.model,
+            website = website,
         )
 
         self.urls = [ route.as_url(self.model, self.list_view)
@@ -152,6 +158,31 @@ class ViewSet:
                       [ routes.DetailRoute.as_url(self.model, self.detail_view ) ]
 
 
+class Menu (DetailView):
+    template_name = 'cms/menu.html'
+
+    name = ''
+    enabled = True
+    classes = ''
+    position = ''   # top, left, bottom, right
+    sections = None
+
+    def get_context_data (self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context.update({
+            'name': self.name,
+            'classes': self.classes,
+            'position': self.position,
+            'sections': [
+                section.get(self.request, object = self.object)
+                    for section in self.sections
+            ]
+        })
+
+    def get (self, **kwargs):
+        context = self.get_context_data(**kwargs)
+        return render_to_string(self.template_name, context)
+
 
 class Section (DetailView):
     """
@@ -159,6 +190,7 @@ class Section (DetailView):
     in order to have extra content about a post.
     """
     template_name = 'cms/section.html'
+    require_object = False
     classes = ''
     title = ''
     content = ''
@@ -177,11 +209,12 @@ class Section (DetailView):
         return context
 
     def get (self, request, **kwargs):
-        self.object = kwargs.get('object')
+        self.object = kwargs.get('object') or self.object
         context = self.get_context_data(**kwargs)
         return render_to_string(self.template_name, context)
 
 
+
 class ListSection (Section):
     """
     Section to render list. The context item 'object_list' is used as list of
@@ -197,6 +230,8 @@ class ListSection (Section):
             self.title = title
             self.text = text
 
+    use_icons = True
+    icon_size = '32x32'
     template_name = 'cms/section_list.html'
 
     def get_object_list (self):
@@ -204,11 +239,28 @@ class ListSection (Section):
 
     def get_context_data (self, **kwargs):
         context = super().get_context_data(**kwargs)
-        context['classes'] += ' section_list'
-        context['object_list'] = self.get_object_list()
+        context.update({
+            'classes': context.classes + ' section_list',
+            'icon_size': self.icon_size,
+            'object_list': self.get_object_list(),
+        })
         return context
 
 
+class UrlListSection (ListSection):
+    classes = 'section_urls'
+    targets = None
+
+    def get_object_list (self, request, **kwargs):
+        return [
+            ListSection.Item(
+                target.image or None,
+                '<a href="{}">{}</a>'.format(target.detail_url(), target.title)
+            )
+            for target in self.targets
+        ]
+
+
 class PostListSection (PostListView):
     route = None
     model = None
@@ -222,8 +274,8 @@ class PostListSection (PostListView):
 
     def dispatch (self, request, *args, **kwargs):
         kwargs = self.get_kwargs(kwargs)
-        # TODO: to_string
-        return super().dispatch(request, *args, **kwargs)
+        response = super().dispatch(request, *args, **kwargs)
+        return str(response.content)
 
 # TODO:
 # - get_title: pass object / queryset
diff --git a/cms/website.py b/cms/website.py
new file mode 100644
index 0000000..6b6bc5a
--- /dev/null
+++ b/cms/website.py
@@ -0,0 +1,24 @@
+import cms.routes as routes
+
+class Website:
+    name = ''
+    logo = None
+    menus = None
+    router = None
+
+    def __init__ (self, **kwargs):
+        self.__dict__.update(kwargs)
+        if not self.router:
+            self.router = routes.Router()
+        if not self.sets:
+            self.sets = []
+
+    def register_set (self, view_set):
+        view_set = view_set(website = self)
+        self.router.register_set(view_set)
+
+    @property
+    def urls (self):
+        return self.router.get_urlpatterns()
+
+
diff --git a/programs/admin.py b/programs/admin.py
index 2da7c0c..6a7bf9b 100755
--- a/programs/admin.py
+++ b/programs/admin.py
@@ -39,22 +39,19 @@ class TrackInline (SortableTabularInline):
     extra = 10
 
 
-class DescriptionAdmin (admin.ModelAdmin):
-    fields = [ 'name', 'tags', 'description' ]
+class NameableAdmin (admin.ModelAdmin):
+    fields = [ 'name' ]
 
-    def tags (obj):
-        return ', '.join(obj.tags.names())
-
-    list_display = ['id', 'name', tags]
+    list_display = ['id', 'name']
     list_filter = []
     search_fields = ['name',]
 
 
 @admin.register(Sound)
-class SoundAdmin (DescriptionAdmin):
+class SoundAdmin (NameableAdmin):
     fields = None
     fieldsets = [
-        (None, { 'fields': DescriptionAdmin.fields + ['path' ] } ),
+        (None, { 'fields': NameableAdmin.fields + ['path' ] } ),
         (None, { 'fields': ['duration', 'date', 'fragment' ] } )
     ]
 
@@ -66,15 +63,15 @@ class StreamAdmin (SortableModelAdmin):
 
 
 @admin.register(Program)
-class ProgramAdmin (DescriptionAdmin):
-    fields = DescriptionAdmin.fields + ['stream']
+class ProgramAdmin (NameableAdmin):
+    fields = NameableAdmin.fields + ['stream']
     inlines = [ ScheduleInline ]
 
 
 @admin.register(Episode)
-class EpisodeAdmin (DescriptionAdmin):
-    list_filter = ['program'] + DescriptionAdmin.list_filter
-    fields = DescriptionAdmin.fields + ['sounds']
+class EpisodeAdmin (NameableAdmin):
+    list_filter = ['program'] + NameableAdmin.list_filter
+    fields = NameableAdmin.fields + ['sounds']
 
     inlines = (TrackInline, DiffusionInline)
 
diff --git a/programs/models.py b/programs/models.py
index b521bab..4767cf0 100755
--- a/programs/models.py
+++ b/programs/models.py
@@ -24,20 +24,11 @@ def date_or_default (date, date_only = False):
     return date
 
 
-class Description (models.Model):
+class Nameable (models.Model):
     name = models.CharField (
         _('name'),
         max_length = 128,
     )
-    description = models.TextField (
-        _('description'),
-        max_length = 1024,
-        blank = True, null = True
-    )
-    tags = TaggableManager(
-        _('tags'),
-        blank = True,
-    )
 
     def get_slug_name (self):
         return slugify(self.name)
@@ -51,7 +42,7 @@ class Description (models.Model):
         abstract = True
 
 
-class Track (Description):
+class Track (Nameable):
     # There are no nice solution for M2M relations ship (even without
     # through) in django-admin. So we unfortunately need to make one-
     # to-one relations and add a position argument
@@ -68,6 +59,10 @@ class Track (Description):
         default = 0,
         help_text=_('position in the playlist'),
     )
+    tags = TaggableManager(
+        _('tags'),
+        blank = True,
+    )
 
     def __str__(self):
         return ' '.join([self.artist, ':', self.name ])
@@ -77,7 +72,7 @@ class Track (Description):
         verbose_name_plural = _('Tracks')
 
 
-class Sound (Description):
+class Sound (Nameable):
     """
     A Sound is the representation of a sound, that can be:
     - An episode podcast/complete record
@@ -134,7 +129,7 @@ class Sound (Description):
         if not self.pk:
             self.date = self.get_mtime()
 
-        super(Sound, self).save(*args, **kwargs)
+        super().save(*args, **kwargs)
 
     def __str__ (self):
         return '/'.join(self.path.split('/')[-3:])
@@ -393,7 +388,7 @@ class Stream (models.Model):
         return '#{} {}'.format(self.priority, self.name)
 
 
-class Program (Description):
+class Program (Nameable):
     stream = models.ForeignKey(
         Stream,
         verbose_name = _('stream'),
@@ -419,7 +414,7 @@ class Program (Description):
                 return schedule
 
 
-class Episode (Description):
+class Episode (Nameable):
     program = models.ForeignKey(
         Program,
         verbose_name = _('program'),
diff --git a/website/admin.py b/website/admin.py
index 1ef0cf0..4fe28b5 100644
--- a/website/admin.py
+++ b/website/admin.py
@@ -15,6 +15,15 @@ def add_inline (base_model, post_model, prepend = False):
         max_num = 1
         verbose_name = _('Post')
 
+        fieldsets = [
+                (None, {
+                    'fields': ['title', 'content', 'image', 'tags']
+                }),
+                (None, {
+                    'fields': ['date', 'published', 'author', 'thread']
+                })
+        ]
+
     registry = admin.site._registry
     if not base_model in registry:
         raise TypeError(str(base_model) + " not in admin registry")
@@ -28,8 +37,8 @@ def add_inline (base_model, post_model, prepend = False):
     registry[base_model].inlines = inlines
 
 
-add_inline(programs.Program, Program)
-add_inline(programs.Episode, Episode)
+add_inline(programs.Program, Program, True)
+add_inline(programs.Episode, Episode, True)
 
 
 #class ArticleAdmin (DescriptionAdmin):
diff --git a/website/urls.py b/website/urls.py
index 3f3f6e8..2f5a2b1 100644
--- a/website/urls.py
+++ b/website/urls.py
@@ -4,7 +4,7 @@ from website.models import *
 from website.views import *
 
 from cms.models import Article
-from cms.views import ViewSet
+from cms.views import ViewSet, Menu
 from cms.routes import *
 
 class ProgramSet (ViewSet):
@@ -38,11 +38,20 @@ class ArticleSet (ViewSet):
         DateRoute,
     ]
 
-router = Router()
-router.register_set(ProgramSet())
-router.register_set(EpisodeSet())
-router.register_set(ArticleSet())
 
-urlpatterns = router.get_urlpatterns()
+website = Website(
+    name = 'RadioCampus',
+    menus = [
+        Menu(
+            position = 'top',
+            sections = []
+        )
+    ],
+})
 
 
+website.register_set(ProgramSet)
+website.register_set(EpisodeSet)
+website.register_set(ArticleSet)
+urlpatterns = website.urls
+