diff -r 7b1faae0d15b -r ec30dfd1bad4 data/dictionary.xml
--- a/data/dictionary.xml	Mon Aug 19 22:03:30 2013 +0200
+++ b/data/dictionary.xml	Mon Aug 19 22:10:27 2013 +0200
@@ -2127,19 +2127,34 @@
 	</concept>
 	<concept>
 		<term abbreviation="JAR" completeForm="Java ARchive" language="en"/>
-		<explanation language="en"><text></text></explanation>
+		<explanation language="en">
+			<text>
+				an archive format in which compiled Java classes, metadata and other resources are distributed;
+				is based on the ZIP format and files have .jar extension;
+				basic JAR files are used for desktop applications and Java libraries;
+				there are also EAR and WAR for enterprise and web applications
+			</text>
+		</explanation>
 		<tag>computer</tag>
 		<tag>java</tag>
 	</concept>
 	<concept>
 		<term abbreviation="EAR" completeForm="Enterprise ARchive" language="en"/>
-		<explanation language="en"><text></text></explanation>
+		<explanation language="en">
+			<text>
+				a kind of JAR file in which an enterprise application is distributed/deployed
+			</text>
+		</explanation>
 		<tag>computer</tag>
 		<tag>java</tag>
 	</concept>
 	<concept>
 		<term abbreviation="WAR" completeForm="Web ARchive" language="en"/>
-		<explanation language="en"><text></text></explanation>
+		<explanation language="en">
+			<text>
+				a kind of JAR file in which a web application is distributed/deployed
+			</text>
+		</explanation>
 		<tag>computer</tag>
 		<tag>java</tag>
 	</concept>