The debug menu adds a menu to TomTom HOME with several helpful options. Most of these options are needed to effectively develop extenstions and themes for TomTom HOME.
With the DOM Inspector you can browse the Document Object Model for all the XUL pages within TomTom HOME. It is especially usefull for developing themes because you can see the applied styles per item on the screen.
The Profile Folder
The profile folder holds extensions and user settings. It is important but sometimes hard to find. Here are some usefull tips on how to find it.