3 files changed, 18 insertions, 7 deletions

diff --git a/include/gui/component.h b/include/gui/component.h
index 9700dfe..97a23fe 100644
--- a/include/gui/component.h
+++ b/include/gui/component.h
@@ -1,5 +1,9 @@
 #ifndef UPEM_C_COMPONENT_H
 #define UPEM_C_COMPONENT_H
+/**
+ * File: component.h
+ * Components implementation.
+ */
 
 /**
  * Enum: Mode
@@ -17,16 +21,21 @@ typedef enum {
   WAITING_BUTTON_SHOW, WAITING_BUTTON_HIDE, INSERT_ORIGIN, INSERT_TARGET, PRINTING, EXITING, PRINTING_BUTTONS, RENDERING
 } Mode;
 
+/**
+ * Mode is used for application status rotation. It is shared between our components. In OOP, this could have been a
+ * static attribute of the class.
+ **/
 extern Mode mode;
-extern int frame;
-extern char labelFrame[20];
 /**
- * File: component.h
- * Windows and components handling.
- *
- * See also:
- *  The famous OS
+ * Components have no access to exterior. They can access only to themselves due to the generic implementation. These
+ * variables are the easiest way to share memory between components.
+ * frame and labelFrame is used to frame management and printing this number of frame on one of the button. Button are
+ * not designed to have a dynamic label, so this implementation is the fastest without breaking the code or creating
+ * another type of components.
  */
+extern int frame;
+extern char labelFrame[20];
+
 struct Component;
 
 /**
diff --git a/include/gui/gui.h b/include/gui/gui.h
index 10f59e8..745d3e1 100644
--- a/include/gui/gui.h
+++ b/include/gui/gui.h
@@ -5,6 +5,7 @@
 
 /**
  * File: gui.h
+ * Graphical user interface handling
  */
 
 
diff --git a/include/gui/pictureframe.h b/include/gui/pictureframe.h
index a070190..d679b6b 100644
--- a/include/gui/pictureframe.h
+++ b/include/gui/pictureframe.h
@@ -7,6 +7,7 @@
 
 /**
  * File: pictureframe.h
+ * Pictures handling.
  */
 
 /*Needed storage point to share memory between the origin PictureFrame and the target PictureFrame. It ables to cancel the Add constraint functionality*/