PV-WAVE Foundation > Application Developer Guide > Building VDA Tools > A Technical Perspective on VDA Tools
A Technical Perspective on VDA Tools
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:
*VDA Tool Ingredients
*VDA Tools Manager
*VDA Tools Utilities
*Navigator
Figure 4-2: VDA Tool Architecture shows the overall architecture of a VDA Tool.
 
Figure 4-2: VDA Tool Architecture
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.
 
Figure 4-3: VDA Tools Directory Structure