The previous section presented a general overview of VDA Tools. The next few sections discuss VDA Tools on a more technical level. These sections are the starting point for anyone who plans to design, build, or customize VDA Tools. The next few sections cover the following topics:

Figure 4-2: VDA Tool Architecture shows the overall architecture of a VDA Tool.

Figure 4-3: VDA Tools Directory Structure shows directories in which the predefined VDA Tool (Wz) routines, VDA Tool Manager (Tm) routines, VDA Tool Utilities (Wo) routines, and their resource files are located.