diff --git a/Home.md b/Home.md
index abd2b82..dfa0089 100644
--- a/Home.md
+++ b/Home.md
@@ -7,7 +7,7 @@ purpose:
 explaining the file `*.elmt` and then `*.qet`
 and this for developers.
 
-## [elements XML structure](XML-elements)
+## [elements XML structure](data_files/elements/XML-elements)
 
 ## [contributor to wiki](contributor_to_wiki_guidelines)
 
diff --git a/XML-elements.md b/data_files/elements/XML-elements.md
similarity index 60%
rename from XML-elements.md
rename to data_files/elements/XML-elements.md
index a182610..8c00431 100644
--- a/XML-elements.md
+++ b/data_files/elements/XML-elements.md
@@ -13,27 +13,13 @@ Example:
 [attribute](definition_attribute)
 
 ### child elements
-[uuid](child_uuid)
-[names](child_names)
-[informations](child_informations)
-[description](child_description)
+ *  [uuid](child_uuid)
+ *  [names](child_names)
+ *  [informations](child_informations)
+ *  [description](child_description)
+ *  [kindInformations](child_kindInformations)
+ *  [elementInformations](child_elementInformations)
 
 
 
-### elementInformations
-see [definition attribute link type](definition_attribute#link-type) when used
-
-Example:
-`<elementInformations>`
-
-parent : definition
-
-children : elementInformation
-
-> Example:
-> `<elementInformation show="1" name="comment">comments</elementInformation>`
-### kindInformations 
-
-see [definition attribute link type](definition_attribute#link-type) when used
-
 
diff --git a/child_description.md b/data_files/elements/child_description.md
similarity index 100%
rename from child_description.md
rename to data_files/elements/child_description.md
diff --git a/data_files/elements/child_elementInformations.md b/data_files/elements/child_elementInformations.md
new file mode 100644
index 0000000..cd20ad7
--- /dev/null
+++ b/data_files/elements/child_elementInformations.md
@@ -0,0 +1,12 @@
+# elementInformations
+see [definition attribute link type](definition_attribute#link-type) when used
+
+Example:
+`<elementInformations>`
+
+parent : definition
+
+children : elementInformation
+
+> Example:
+> `<elementInformation show="1" name="comment">comments</elementInformation>` 
diff --git a/child_informations.md b/data_files/elements/child_informations.md
similarity index 100%
rename from child_informations.md
rename to data_files/elements/child_informations.md
diff --git a/data_files/elements/child_kindInformations.md b/data_files/elements/child_kindInformations.md
new file mode 100644
index 0000000..8b1a75b
--- /dev/null
+++ b/data_files/elements/child_kindInformations.md
@@ -0,0 +1,3 @@
+# kindInformations 
+
+see [definition attribute link type](definition_attribute#link-type) when used 
diff --git a/child_uuid.md b/data_files/elements/child_uuid.md
similarity index 100%
rename from child_uuid.md
rename to data_files/elements/child_uuid.md
diff --git a/definition_attribute.md b/data_files/elements/definition_attribute.md
similarity index 100%
rename from definition_attribute.md
rename to data_files/elements/definition_attribute.md