The first Page Part in the second Group provides for a Chart to display using the Chart Control Add-in included in NAV 2017. The Chart Control Add-in is documented in the Developer and IT Pro Help in Displaying Charts Using the Chart Control Add-in. In the Page 9006, the Trailing Sales Orders Chart Page Part invokes Page 760 of the same name. Looking at Page 760 in the Page Designer, we see the following layout:

The properties of the Field named Business Chart look like the following screenshot:

Note that the ControlAddIn property contains the necessary information to access the Chart Control Add-in. This property provides access to the screen, which is shown in the following screenshot, where the Client Add-ins that are available for use in our NAV system are listed. An Add-in is a Microsoft .NET Framework assembly (a module external to NAV, but registered with the system) that lets us add custom functionality to a NAV Windows Client. The Client Add-in screen shown here displays after clicking on the lookup arrow at the right end of the ControlAddIn property: