         graphView.removeFromSuperview()
         
         switch(currentGraphType) {
-        case .simple:
+            
+        case .simple: // Show simple graph, no adapting, single line.
             graphView = createSimpleGraph(self.view.frame)
             addReloadLabel(withText: "RELOAD")
             addLabel(withText: "SIMPLE")
-        case .multiOne:
+        case .multiOne: // Show graph with multiple plots, with adapting and using dot plots to decorate the line
             graphView = createMultiPlotGraphOne(self.view.frame)
             addReloadLabel(withText: "RELOAD")
             addLabel(withText: "MULTI 1")

        setupConstraints()
    }
    
    func didTap(_ gesture: UITapGestureRecognizer) {
        
        currentGraphType.next()

    override var prefersStatusBarHidden : Bool {
        return true
    }
}

