diff --git a/Medianno/MADocument.xcdatamodeld/MADocument.xcdatamodel/contents b/Medianno/MADocument.xcdatamodeld/MADocument.xcdatamodel/contents
index fd3d23f..2549655 100644
--- a/Medianno/MADocument.xcdatamodeld/MADocument.xcdatamodel/contents
+++ b/Medianno/MADocument.xcdatamodeld/MADocument.xcdatamodel/contents
@@ -1,4 +1,38 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model name="untitled.xcdatamodel" userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="1" systemVersion="11A491" minimumToolsVersion="Automatic" macOSVersion="Automatic" iOSVersion="Automatic">
-    <elements/>
+<model name="" userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="562" systemVersion="11A511" minimumToolsVersion="Automatic" macOSVersion="Automatic" iOSVersion="Automatic">
+    <entity name="MAAnno">
+        <attribute name="location" optional="YES" attributeType="String"/>
+        <attribute name="notes" optional="YES" attributeType="String"/>
+        <relationship name="media" optional="YES" minCount="1" maxCount="1" deletionRule="Nullify" destinationEntity="MAMedia" inverseName="annotations" inverseEntity="MAMedia"/>
+        <relationship name="tags" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="MATag" inverseName="annotation" inverseEntity="MATag"/>
+    </entity>
+    <entity name="MAFolder">
+        <attribute name="name" optional="YES" attributeType="String"/>
+        <relationship name="children" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="MAFolder" inverseName="parent" inverseEntity="MAFolder"/>
+        <relationship name="contents" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="MAMedia" inverseName="folder" inverseEntity="MAMedia"/>
+        <relationship name="parent" optional="YES" minCount="1" maxCount="1" deletionRule="Nullify" destinationEntity="MAFolder" inverseName="children" inverseEntity="MAFolder"/>
+    </entity>
+    <entity name="MAMedia">
+        <attribute name="date" optional="YES" attributeType="Date"/>
+        <attribute name="media" optional="YES" attributeType="String"/>
+        <attribute name="notes" optional="YES" attributeType="String"/>
+        <relationship name="annotations" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="MAAnno" inverseName="media" inverseEntity="MAAnno"/>
+        <relationship name="folder" optional="YES" minCount="1" maxCount="1" deletionRule="Nullify" destinationEntity="MAFolder" inverseName="contents" inverseEntity="MAFolder"/>
+    </entity>
+    <entity name="MATag">
+        <relationship name="annotation" optional="YES" minCount="1" maxCount="1" deletionRule="Nullify" destinationEntity="MAAnno" inverseName="tags" inverseEntity="MAAnno"/>
+        <relationship name="tag" optional="YES" minCount="1" maxCount="1" deletionRule="Nullify" destinationEntity="MATagDescription" inverseName="uses" inverseEntity="MATagDescription"/>
+    </entity>
+    <entity name="MATagDescription">
+        <attribute name="name" optional="YES" attributeType="String"/>
+        <attribute name="notes" optional="YES" attributeType="String"/>
+        <relationship name="uses" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="MATag" inverseName="tag" inverseEntity="MATag"/>
+    </entity>
+    <elements>
+        <element name="MAMedia" positionX="-1116" positionY="-882" width="128" height="120"/>
+        <element name="MATagDescription" positionX="-866" positionY="-576" width="128" height="90"/>
+        <element name="MAAnno" positionX="-1296" positionY="-585" width="128" height="105"/>
+        <element name="MAFolder" positionX="-864" positionY="-873" width="180" height="105"/>
+        <element name="MATag" positionX="-1044" positionY="-684" width="128" height="75"/>
+    </elements>
 </model>
\ No newline at end of file