alle notwendigen styles ergänzt.

lizenz_cc_lizenzen

@@ -12,10 +12,19 @@
 		draw=magenta
 	},
 	op/.style={
-	rectangle,
+		rectangle,
-	fill=orange!10,
+		fill=orange!10,
-	draw=orange	
+		draw=orange	
 	},
+	cn/.style={
+		diamont,
+		aspect=2
+		inner sep=2pt,
+		fill=red!10,
+		draw=red
+	},
+	node distance=5mm
 ]
+
 	\node at (0,4) [draw,io] {Eingabe};
 \end{tikzpicture}