diff --git a/developer_manual/design/navigation.rst b/developer_manual/design/navigation.rst
index 4c28dcf00..e0bcf8aca 100644
--- a/developer_manual/design/navigation.rst
+++ b/developer_manual/design/navigation.rst
@@ -209,11 +209,84 @@ The opening of the menu is activated and animated by the class ``open`` on the m
Entry bullet
=============
+Every entry can have a colored marker in front of it.
+We call it a `bullet`.
+
+* You can **not** combine an icon with a bullet.
+* You need to use the CSS to define the bullet color.
+
+.. figure:: ../images/navigation-bullet.png
+ :alt: Navigation entry with bullet
+ :figclass: figure-with-code
+
+.. code:: html
+
+
+
Undo entry
===========
+* Undo entries can be used on any level you want.
+* When an entry is deleted, please use the usual **7 seconds delay feedback** before final deletion.
+* Please use the sentence *Deleted XXXX* as the feedback message.
+* You need to use the ``deleted`` class to trigger the animated hide/show of the undo entry.
+
+.. figure:: ../images/navigation-undo.*
+ :alt: Navigation entry with undo action
+ :figclass: figure-with-code
+
+.. code:: html
+
+
+
Edit entry
===========
+* Editable entries can be used on any level you want.
+* You can replace the ``form`` by a ``div`` if you wish to do your request with JS.
+* You need to use the ``editing`` class to trigger the animated hide/show of the input.
+* You're allowed to use only one submit input. It **must** be the validation button.
+* The input **must** have the same value as the entry link text.
+
+.. figure:: ../images/navigation-edit.*
+ :alt: Navigation entry with undo action
+ :figclass: figure-with-code
+
+.. code:: html
+
+