diff --git a/debian/var/models/example_II.xml b/debian/var/models/example_II.xml
index 14acf41..cda49de 100644
--- a/debian/var/models/example_II.xml
+++ b/debian/var/models/example_II.xml
@@ -24,13 +24,10 @@
     </modelization>
 
     <space_param>
-      <dimension value="1"/>            <!-- TODO redundancy here: dimension is given by the zero values of z and y-->
-      <size x="39" y="0" z="0"/>        <!-- In this example of random walk, I wish I could see the whole space in a single line of the monitoring CLI-->
+      <dimension value="1"/>
+      <size x="39" y="0" z="0"/>
       <site_multiplicity value="2"/>    <!-- Indicates that there are two sites per cell-->
-      <boundaries/>                     <!-- TODO a proposition for boundaries encoding: -->
-                                        <!-- X="00" no boundaries   X="||" boundaries west and east   X="|0" boundary west only   X="0|" boundary east-->
-                                        <!-- X="|0" indicates that: a particle which moves beyond the east boundary will reenter on the west side-->
-                                        <!-- X="|0"               : no particle can move beyond the west boundary-->
+      <boundaries/>                     <!-- TODO -->
 
     </space_param>
 
@@ -39,13 +36,13 @@
   <!-- Model objects definition -->
   <objects>
     <object id="dimer" date="1629830000" author="Jean Sirmai">
+      <!-- A dimer is made of two linked adjacent particles.-->
+      <!-- Site 1 of particle 0 points at east to next particle.-->
+      <!-- Site 0 of particle 1 points at west to previous particle.-->
       <arrow x="0" y="0" z="0" site="0" weight="0"/>
       <arrow x="0" y="0" z="0" site="1" weight="1"/>
       <arrow x="1" y="0" z="0" site="0" weight="1"/>
       <arrow x="1" y="0" z="0" site="1" weight="0"/>
-      <!-- A dimer is made of two linked adjacent particles.-->
-      <!-- Site 1 of particle 0 points at east to next particle.-->
-      <!-- Site 0 of particle 1 points at west to previous particle.-->
 
     </object>
 
@@ -64,7 +61,7 @@
   </space>
 
   <!-- Saved space description (saved states) -->
-  <savestates id="test" date="1629830000" author="Jean Sirmai">          <!-- TODO or NOT TODO (not today...)-->
+  <savestates id="test" date="1629830000" author="Jean Sirmai">
     <space id="test" date="1629830000" author="Jean Sirmai">
     </space>
 
@@ -95,10 +92,10 @@
   </transitions>
 
   <!-- Non context-specific tags -->
-  <ref id="Best reference!" date="1629830000" author="Jean Sirmai" lang="">
+  <ref id="Best reference!" date="1629830000" author="Jean Sirmai" lang="fr">
     https://www.a-lec.org
   </ref>
-  <quote id="Best quote" date="1629830000" author="Jean Sirmai" lang="">
+  <quote id="Best quote" date="1629830000" author="Jean Sirmai" lang="fr">
     This is a quote.
   </quote>
 
diff --git a/include/base.h b/include/base.h
index 334fc89..ee2155a 100644
--- a/include/base.h
+++ b/include/base.h
@@ -166,7 +166,7 @@ struct Model_t {
     char *version;
     char *filename;
     // Parameters
-    int space_xMax;
+    int space_xMax;             // TODO more than 3 dimension ?
     int space_yMax;
     int space_zMax;
     int nmaxThread;
diff --git a/src/parsing.c b/src/parsing.c
index 9d15443..353b82a 100644
--- a/src/parsing.c
+++ b/src/parsing.c
@@ -63,6 +63,84 @@ int parseStubFieldXML (xmlDocPtr doc,
     return 0;
 }
 
+// -------------------------------------------------------------------------- //
+// Parsing an arrow (but yeah that prints)                                    //
+// -------------------------------------------------------------------------- //
+int parseArrowFieldXML (xmlDocPtr doc,
+                       ModelParserTableXML_t *ModelTable,
+                       int currentParser,
+                       xmlNodePtr currentNode)
+{
+    xmlChar *x, *y, *z;
+
+    x = xmlGetProp(currentNode, (xmlChar*)"x");
+    y = xmlGetProp(currentNode, (xmlChar*)"x");
+    z = xmlGetProp(currentNode, (xmlChar*)"x");
+
+    // Detect children
+    if (currentNode->xmlChildrenNode) {
+        printLog("%s (stub) has children\n",
+                 ModelTable->table[currentParser].tag);
+    }
+
+    printLog("%s: x:%s, y:%s, z:%s\n", ModelTable->table[currentParser].tag,
+                         x, y, z);
+
+    if (!x || !y || !z) {
+        xmlFree(x);
+        xmlFree(y);
+        xmlFree(z);
+        return -1;
+    }
+
+    // TODO create arrow in model
+
+    xmlFree(x);
+    xmlFree(y);
+    xmlFree(z);
+
+    return 0;
+}
+
+// -------------------------------------------------------------------------- //
+// Parsing an arrow (but yeah that prints)                                    //
+// -------------------------------------------------------------------------- //
+int parseSpaceSizeFieldXML (xmlDocPtr doc,
+                            ModelParserTableXML_t *ModelTable,
+                            int currentParser,
+                            xmlNodePtr currentNode)
+{
+    xmlChar *x, *y, *z;
+
+    x = xmlGetProp(currentNode, (xmlChar*)"x");
+    y = xmlGetProp(currentNode, (xmlChar*)"x");
+    z = xmlGetProp(currentNode, (xmlChar*)"x");
+
+    // Detect children
+    if (currentNode->xmlChildrenNode) {
+        printLog("%s (stub) has children\n",
+                 ModelTable->table[currentParser].tag);
+    }
+
+    printLog("%s: x:%s, y:%s, z:%s\n", ModelTable->table[currentParser].tag,
+                         x, y, z);
+
+    if (!x || !y || !z) {
+        xmlFree(x);
+        xmlFree(y);
+        xmlFree(z);
+        return -1;
+    }
+
+    // TODO store space size and creates it
+
+    xmlFree(x);
+    xmlFree(y);
+    xmlFree(z);
+
+    return 0;
+}
+
 // -------------------------------------------------------------------------- //
 // Parsing a text field                                                       //
 // -------------------------------------------------------------------------- //
@@ -267,7 +345,7 @@ int ParseModelXML(Model_t *model)
         {(const xmlChar *)"then", parseParentFieldXML, model},
 
     // ARROW
-        {(const xmlChar *)"arrow", parseStubFieldXML, model},
+        {(const xmlChar *)"arrow", parseArrowFieldXML, model},
 
     // REF
         {(const xmlChar *)"ref", parseStubFieldXML, model},