diff --git a/repository/etc/repository.png b/repository/etc/repository.png
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Binary files /dev/null and b/repository/etc/repository.png differ
diff --git a/repository/etc/repository.ucls b/repository/etc/repository.ucls
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--- /dev/null
+++ b/repository/etc/repository.ucls
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<class-diagram version="1.1.8" icons="true" automaticImage="PNG" always-add-relationships="false" generalizations="true" 
+  realizations="true" associations="true" dependencies="false" nesting-relationships="true">  
+  <class id="1" language="java" name="com.iluwatar.Person" project="repository" 
+    file="/repository/src/main/java/com/iluwatar/Person.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="109" y="166"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <interface id="2" language="java" name="com.iluwatar.PersonDao" project="repository" 
+    file="/repository/src/main/java/com/iluwatar/PersonDao.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="350" y="67"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </interface>  
+  <dependency id="3">    
+    <end type="SOURCE" refId="2"/>    
+    <end type="TARGET" refId="1"/>  
+  </dependency>  
+  <classifier-display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+    sort-features="false" accessors="true" visibility="true">    
+    <attributes public="true" package="true" protected="true" private="true" static="true"/>    
+    <operations public="true" package="true" protected="true" private="true" static="true"/>  
+  </classifier-display>  
+  <association-display labels="true" multiplicity="true"/>
+</class-diagram>
\ No newline at end of file