The XY subdirectory within the VTS installation directory (i.e. "C:\VTS\XY") is an application directory containing the components required to run the "Coordinates" script application. Information on the "Coordinates" script application can be found in "Debugging and Analysis: Coordinates Application.
Supplementary to the directories installed within the VTS installation directory, and the application directories that are created each time you start a new application, there are a number of files that exist within the VTS installation directory. These are identified in the section that follows.