As mentioned earlier, there are several choices of tools to use for NAV report layout development. The specific screen appearance depends somewhat on which tool is being used.
To begin our report development work in Visual Studio, we must have our C/SIDE dataset definition open in Design mode. Then navigate to View | Layout to open up Visual Studio. If we have previously done Visual Studio development work on this report and saved it, that work will be displayed in Visual Studio, ready for our next effort. In this case, since we are just starting, we will see the following screenshot:
On the left of the screen is ...