--- /dev/null
+L0 = <http://www.simantics.org/Layer0-1.1>\r
+DIA = <http://www.simantics.org/Diagram-2.2>\r
+\r
+\r
+DIA.HasLayer <R L0.HasProperty\r
+ L0.HasRange DIA.Layer\r
+\r
+DIA.HasVisibleTag <R L0.HasProperty\r
+ L0.HasRange L0.Tag\r
+DIA.HasFocusableTag <R L0.HasProperty\r
+ L0.HasRange L0.Tag\r
+DIA.IsActive <R L0.HasProperty\r
+ L0.HasRange L0.Boolean\r
+\r
+DIA.IsVisible\r
+ @L0.defTag \r
+ @L0.tag L0.Abstract\r
+ L0.HasDescription "A relation meant to be inherited to create specific tags describing the visibility of any diagram element on a particular layer."\r
+DIA.IsFocusable\r
+ @L0.defTag\r
+ @L0.tag L0.Abstract\r
+ L0.HasDescription "A relation meant to be inherited to create specific tags describing the focusability of any diagram element on a particular layer."\r
+\r
+DIA.IsVisibleDummy <R DIA.IsVisible\r
+DIA.IsFocusableDummy <R DIA.IsFocusable\r
+\r
+DIA.Layer <T L0.Entity\r
+ @L0.singleProperty DIA.IsActive\r
+ @L0.singleProperty DIA.HasVisibleTag\r
+ @L0.singleProperty DIA.HasFocusableTag\r