diff --git a/02-UML/PDF/Deployement.pdf b/02-UML/PDF/Deployement.pdf
new file mode 100644
index 0000000..422f14b
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diff --git a/02-UML/PDF/ST_APP.pdf b/02-UML/PDF/ST_APP.pdf
new file mode 100644
index 0000000..7d81459
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diff --git a/02-UML/PDF/ST_BLINKER.pdf b/02-UML/PDF/ST_BLINKER.pdf
new file mode 100644
index 0000000..16d10d3
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diff --git a/02-UML/PDF/ST_BUTTON.pdf b/02-UML/PDF/ST_BUTTON.pdf
new file mode 100644
index 0000000..eaea86e
Binary files /dev/null and b/02-UML/PDF/ST_BUTTON.pdf differ
diff --git a/02-UML/PDF/ST_CLICK_HANDLER.pdf b/02-UML/PDF/ST_CLICK_HANDLER.pdf
new file mode 100644
index 0000000..0555ecf
Binary files /dev/null and b/02-UML/PDF/ST_CLICK_HANDLER.pdf differ
diff --git a/02-UML/PDF/UseCase.pdf b/02-UML/PDF/UseCase.pdf
new file mode 100644
index 0000000..71f914b
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diff --git a/02-UML/PDF/class.pdf b/02-UML/PDF/class.pdf
new file mode 100644
index 0000000..f359d11
Binary files /dev/null and b/02-UML/PDF/class.pdf differ
diff --git a/02-UML/ST_APP.uxf b/02-UML/ST_APP.uxf
index 62e727a..3d24b93 100644
--- a/02-UML/ST_APP.uxf
+++ b/02-UML/ST_APP.uxf
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <diagram program="umlet" version="15.1">
-  <zoom_level>15</zoom_level>
+  <zoom_level>12</zoom_level>
   <element>
     <id>UMLSpecialState</id>
     <coordinates>
-      <x>600</x>
-      <y>150</y>
-      <w>30</w>
-      <h>30</h>
+      <x>936</x>
+      <y>168</y>
+      <w>24</w>
+      <h>24</h>
     </coordinates>
     <panel_attributes>type=initial</panel_attributes>
     <additional_attributes/>
@@ -15,10 +15,10 @@
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>135</x>
-      <y>225</y>
-      <w>960</w>
-      <h>60</h>
+      <x>564</x>
+      <y>228</y>
+      <w>768</w>
+      <h>48</h>
     </coordinates>
     <panel_attributes>WAIT</panel_attributes>
     <additional_attributes/>
@@ -26,10 +26,10 @@
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>600</x>
-      <y>165</y>
-      <w>45</w>
-      <h>90</h>
+      <x>936</x>
+      <y>180</y>
+      <w>36</w>
+      <h>72</h>
     </coordinates>
     <panel_attributes>lt=-&gt;</panel_attributes>
     <additional_attributes>10.0;10.0;10.0;40.0</additional_attributes>
@@ -37,10 +37,10 @@
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>135</x>
-      <y>420</y>
-      <w>210</w>
-      <h>60</h>
+      <x>564</x>
+      <y>384</y>
+      <w>168</w>
+      <h>48</h>
     </coordinates>
     <panel_attributes>ST_BLINKER_L</panel_attributes>
     <additional_attributes/>
@@ -48,10 +48,10 @@
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>915</x>
-      <y>420</y>
-      <w>180</w>
-      <h>360</h>
+      <x>1188</x>
+      <y>384</y>
+      <w>144</w>
+      <h>288</h>
     </coordinates>
     <panel_attributes>ST_BLINKER_W</panel_attributes>
     <additional_attributes/>
@@ -59,10 +59,10 @@
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>495</x>
-      <y>570</y>
-      <w>210</w>
-      <h>60</h>
+      <x>852</x>
+      <y>504</y>
+      <w>168</w>
+      <h>48</h>
     </coordinates>
     <panel_attributes>ST_BLINKER_R</panel_attributes>
     <additional_attributes/>
@@ -70,10 +70,10 @@
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>990</x>
-      <y>270</y>
-      <w>150</w>
-      <h>180</h>
+      <x>1248</x>
+      <y>264</y>
+      <w>120</w>
+      <h>144</h>
     </coordinates>
     <panel_attributes>lt=&lt;-&gt;
 evLongClick</panel_attributes>
@@ -82,10 +82,10 @@ evLongClick</panel_attributes>
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>135</x>
-      <y>720</y>
-      <w>570</w>
-      <h>60</h>
+      <x>564</x>
+      <y>624</y>
+      <w>456</w>
+      <h>48</h>
     </coordinates>
     <panel_attributes>ST_BLINKER_LR</panel_attributes>
     <additional_attributes/>
@@ -93,10 +93,10 @@ evLongClick</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>690</x>
-      <y>735</y>
-      <w>255</w>
-      <h>60</h>
+      <x>1008</x>
+      <y>636</y>
+      <w>204</w>
+      <h>48</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
 m1=evLongClick</panel_attributes>
@@ -105,10 +105,10 @@ m1=evLongClick</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>690</x>
-      <y>585</y>
-      <w>255</w>
-      <h>60</h>
+      <x>1008</x>
+      <y>516</y>
+      <w>204</w>
+      <h>48</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
 m1=evLongClick</panel_attributes>
@@ -117,10 +117,10 @@ m1=evLongClick</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>330</x>
-      <y>435</y>
-      <w>615</w>
-      <h>60</h>
+      <x>720</x>
+      <y>396</y>
+      <w>492</w>
+      <h>48</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
 m1=evLongClick</panel_attributes>
@@ -129,22 +129,22 @@ m1=evLongClick</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>150</x>
-      <y>270</y>
+      <x>576</x>
+      <y>264</y>
       <w>120</w>
-      <h>180</h>
+      <h>144</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
-m1=evClickL</panel_attributes>
+m1=evClickL(n)</panel_attributes>
     <additional_attributes>10.0;10.0;10.0;100.0</additional_attributes>
   </element>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>300</x>
-      <y>270</y>
-      <w>210</w>
-      <h>180</h>
+      <x>696</x>
+      <y>264</y>
+      <w>168</w>
+      <h>144</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
 m1=evClickL / evEndL
@@ -154,22 +154,22 @@ m1=evClickL / evEndL
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>150</x>
-      <y>465</y>
+      <x>576</x>
+      <y>420</y>
       <w>120</w>
-      <h>285</h>
+      <h>228</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
-m1=evClickR</panel_attributes>
+m1=evClickR(n)</panel_attributes>
     <additional_attributes>10.0;10.0;10.0;170.0</additional_attributes>
   </element>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>300</x>
-      <y>465</y>
-      <w>225</w>
-      <h>285</h>
+      <x>696</x>
+      <y>420</y>
+      <w>180</w>
+      <h>228</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
 m1=evClickR / evEndR</panel_attributes>
@@ -178,22 +178,22 @@ m1=evClickR / evEndR</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>510</x>
-      <y>270</y>
+      <x>864</x>
+      <y>264</y>
       <w>120</w>
-      <h>330</h>
+      <h>264</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
-m1=evClickR</panel_attributes>
+m1=evClickR(n)</panel_attributes>
     <additional_attributes>10.0;10.0;10.0;200.0</additional_attributes>
   </element>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>660</x>
-      <y>270</y>
-      <w>225</w>
-      <h>330</h>
+      <x>984</x>
+      <y>264</y>
+      <w>180</w>
+      <h>264</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
 m1=evClickR / evEndR</panel_attributes>
@@ -202,22 +202,22 @@ m1=evClickR / evEndR</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>510</x>
-      <y>615</y>
+      <x>864</x>
+      <y>540</y>
       <w>120</w>
-      <h>135</h>
+      <h>108</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
-m1=evClickL</panel_attributes>
+m1=evClickL(n)</panel_attributes>
     <additional_attributes>10.0;10.0;10.0;70.0</additional_attributes>
   </element>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>660</x>
-      <y>615</y>
-      <w>210</w>
-      <h>135</h>
+      <x>984</x>
+      <y>540</y>
+      <w>168</w>
+      <h>108</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
 m1=evClickL / evEndL</panel_attributes>
diff --git a/02-UML/ST_CLICK_HANDLER.uxf b/02-UML/ST_CLICK_HANDLER.uxf
index aa595a9..075c4bb 100644
--- a/02-UML/ST_CLICK_HANDLER.uxf
+++ b/02-UML/ST_CLICK_HANDLER.uxf
@@ -4,7 +4,7 @@
   <element>
     <id>UMLSpecialState</id>
     <coordinates>
-      <x>700</x>
+      <x>520</x>
       <y>20</y>
       <w>40</w>
       <h>40</h>
@@ -15,9 +15,9 @@
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>700</x>
+      <x>520</x>
       <y>40</y>
-      <w>180</w>
+      <w>160</w>
       <h>180</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
@@ -27,7 +27,7 @@ evCHInit</panel_attributes>
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>580</x>
+      <x>400</x>
       <y>180</y>
       <w>280</w>
       <h>80</h>
@@ -38,7 +38,7 @@ evCHInit</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>700</x>
+      <x>520</x>
       <y>240</y>
       <w>200</w>
       <h>180</h>
@@ -50,9 +50,9 @@ evPBPress</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>700</x>
+      <x>520</x>
       <y>440</y>
-      <w>240</w>
+      <w>220</w>
       <h>180</h>
     </coordinates>
     <panel_attributes>lt=-&gt;
@@ -62,7 +62,7 @@ evPBRelease</panel_attributes>
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>540</x>
+      <x>360</x>
       <y>380</y>
       <w>360</w>
       <h>80</h>
@@ -73,7 +73,7 @@ evPBRelease</panel_attributes>
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>540</x>
+      <x>360</x>
       <y>580</y>
       <w>360</w>
       <h>80</h>
@@ -84,7 +84,7 @@ evPBRelease</panel_attributes>
   <element>
     <id>UMLState</id>
     <coordinates>
-      <x>540</x>
+      <x>360</x>
       <y>780</y>
       <w>360</w>
       <h>80</h>
@@ -95,7 +95,7 @@ evPBRelease</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>700</x>
+      <x>520</x>
       <y>640</y>
       <w>200</w>
       <h>180</h>
@@ -107,7 +107,7 @@ evPBPress</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>840</x>
+      <x>660</x>
       <y>200</y>
       <w>560</w>
       <h>280</h>
@@ -119,7 +119,7 @@ m1=evCHtimer / chLongClick()</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>840</x>
+      <x>660</x>
       <y>200</y>
       <w>560</w>
       <h>480</h>
@@ -131,7 +131,7 @@ m1=evCHtimer / chSingleClick()</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>840</x>
+      <x>660</x>
       <y>200</y>
       <w>560</w>
       <h>660</h>
@@ -143,7 +143,7 @@ m1=evCHtimer / chDoubleClick()</panel_attributes>
   <element>
     <id>Relation</id>
     <coordinates>
-      <x>840</x>
+      <x>660</x>
       <y>200</y>
       <w>560</w>
       <h>700</h>