diff --git a/examples/iot-dashboard/DiagramSkinlet.cpp b/examples/iot-dashboard/DiagramSkinlet.cpp
index 2914660f..9287bb8e 100644
--- a/examples/iot-dashboard/DiagramSkinlet.cpp
+++ b/examples/iot-dashboard/DiagramSkinlet.cpp
@@ -88,7 +88,7 @@ QSGNode* DiagramSkinlet::updateChartNode( const Diagram* diagram, QSGNode* node
 {
     if( node == nullptr )
     {
-        node = new IdlChartNode; // ### rename
+        node = new DiagramDataNode;
     }
 
     using Q = Diagram;
@@ -121,19 +121,19 @@ QSGNode* DiagramSkinlet::updateChartNode( const Diagram* diagram, QSGNode* node
         {
             if( diagram->typesAt( i ) & types.at( j ) )
             {
-                IdlChartNode* dataPointNode;
+                DiagramDataNode* dataPointNode;
 
                 if( chartNode->childCount() > nodeIndex )
                 {
-                    dataPointNode = static_cast<IdlChartNode*>( chartNode->childAtIndex( nodeIndex ) );
+                    dataPointNode = static_cast<DiagramDataNode*>( chartNode->childAtIndex( nodeIndex ) );
                 }
                 else
                 {
-                    dataPointNode = new IdlChartNode;
+                    dataPointNode = new DiagramDataNode;
                     chartNode->appendChildNode( dataPointNode );
                 }
 
-                const IdlChartNode::Type nodeType = ( types.at( j ) == Diagram::Line ) ? IdlChartNode::Line : IdlChartNode::Area;
+                const DiagramDataNode::Type nodeType = ( types.at( j ) == Diagram::Line ) ? DiagramDataNode::Line : DiagramDataNode::Area;
                 const QColor color = ( types.at( j ) == Diagram::Line ) ? diagram->color( lineSubcontrol )
                                      : diagram->color( areaSubcontrol );
 
@@ -162,11 +162,11 @@ QSGNode* DiagramSkinlet::updateSeparatorNode( const Diagram* diagram, QSGNode* n
         return nullptr;
     }
 
-    auto* separatorNode = static_cast<IdlChartSegmentsNode*>( node );
+    auto* separatorNode = static_cast<DiagramSegmentsNode*>( node );
 
     if( separatorNode == nullptr )
     {
-        separatorNode = new IdlChartSegmentsNode;
+        separatorNode = new DiagramSegmentsNode;
     }
 
     using Q = Diagram;
diff --git a/examples/iot-dashboard/nodes/DiagramDataNode.cpp b/examples/iot-dashboard/nodes/DiagramDataNode.cpp
index 3a06a022..e5b74bb4 100644
--- a/examples/iot-dashboard/nodes/DiagramDataNode.cpp
+++ b/examples/iot-dashboard/nodes/DiagramDataNode.cpp
@@ -7,15 +7,15 @@
 #include <QTransform>
 #include <QskFunctions.h>
 
-IdlChartNode::IdlChartNode()
+DiagramDataNode::DiagramDataNode()
     : m_geometry( QSGGeometry::defaultAttributes_Point2D(), 0 )
 {
     setGeometry( &m_geometry );
     setMaterial( &m_material );
 }
 
-void IdlChartNode::update( const QRectF& rect, Type type, const QColor& color, const QVector<QPointF>& dataPoints,
-                           const qreal yMax, Qsk::Position position, int lineWidth )
+void DiagramDataNode::update( const QRectF& rect, Type type, const QColor& color, const QVector<QPointF>& dataPoints,
+                              const qreal yMax, Qsk::Position position, int lineWidth )
 {
     Q_UNUSED( rect );
 
diff --git a/examples/iot-dashboard/nodes/DiagramDataNode.h b/examples/iot-dashboard/nodes/DiagramDataNode.h
index 5146f4f8..94180e6f 100644
--- a/examples/iot-dashboard/nodes/DiagramDataNode.h
+++ b/examples/iot-dashboard/nodes/DiagramDataNode.h
@@ -12,7 +12,7 @@
 #include <QSGFlatColorMaterial>
 #include <QSGGeometryNode>
 
-class IdlChartNode : public QSGGeometryNode
+class DiagramDataNode : public QSGGeometryNode
 {
     public:
         enum Type
@@ -21,7 +21,7 @@ class IdlChartNode : public QSGGeometryNode
             Area,
         };
 
-        IdlChartNode();
+        DiagramDataNode();
 
         void update( const QRectF& rect, Type type, const QColor& color, const QVector<QPointF>& dataPoints, const qreal yMax, Qsk::Position position, int lineWidth );
 
diff --git a/examples/iot-dashboard/nodes/DiagramSegmentsNode.cpp b/examples/iot-dashboard/nodes/DiagramSegmentsNode.cpp
index b7d9f008..842e2ced 100644
--- a/examples/iot-dashboard/nodes/DiagramSegmentsNode.cpp
+++ b/examples/iot-dashboard/nodes/DiagramSegmentsNode.cpp
@@ -7,7 +7,7 @@
 
 #include <QtMath>
 
-IdlChartSegmentsNode::IdlChartSegmentsNode()
+DiagramSegmentsNode::DiagramSegmentsNode()
     : m_geometry( QSGGeometry::defaultAttributes_Point2D(), 0 )
 {
     m_geometry.setDrawingMode( GL_LINES );
@@ -16,7 +16,7 @@ IdlChartSegmentsNode::IdlChartSegmentsNode()
     setMaterial( &m_material );
 }
 
-void IdlChartSegmentsNode::update( const QRectF& rect, const QColor& color, const QVector<QVector<QPointF> >& dataPoints, int xGridLines )
+void DiagramSegmentsNode::update( const QRectF& rect, const QColor& color, const QVector<QVector<QPointF> >& dataPoints, int xGridLines )
 {
     Q_UNUSED( rect );
 
diff --git a/examples/iot-dashboard/nodes/DiagramSegmentsNode.h b/examples/iot-dashboard/nodes/DiagramSegmentsNode.h
index 71950c47..08ff8dfa 100644
--- a/examples/iot-dashboard/nodes/DiagramSegmentsNode.h
+++ b/examples/iot-dashboard/nodes/DiagramSegmentsNode.h
@@ -10,10 +10,10 @@
 #include <QSGFlatColorMaterial>
 #include <QSGGeometryNode>
 
-class IdlChartSegmentsNode : public QSGGeometryNode
+class DiagramSegmentsNode : public QSGGeometryNode
 {
     public:
-        IdlChartSegmentsNode();
+        DiagramSegmentsNode();
 
         void update( const QRectF& rect, const QColor& color, const QVector< QVector<QPointF> >& dataPoints, int xGridLines );