The Universal diagram tab is displayed when you set Section type to
Universal diagram for the section you are editing.
Use the Universal diagram tab to enhance the report with interactive diagrams, images, and bitmaps.
With universal diagram, you can overlay points representing the status of an element of your infrastructure, for example tier or server IP address, on the raster graphic of your choice.
This way it enables you to construct reports showing business impact at the subsidiaries across the world or performance across the whole delivery chain of the application.
See Universal diagram section type - details for more information.