Menus
It is possible to describe typical menu actions as follows :
General case :

Windows 98 case :

MacOS9 case :

Zelda case :

Click on the following links to check on the corresponding actions :
1. Open - samples - analysis
  (Win 98 : open menu -- onMouseOver folder -- onMouseRelease folder)
  (MacOS9 : open menu -- open item or application)
  (Zelda : open menu)
2. onMouseOver folder - samples 
  - analysis
  (Win 98 : open menu -- onMouseOver folder -- onMouseRelease folder)
  (MacOS9 : onMouseOver item + open Menu + close Menu)
  (Zelda : onMouseOver item -- onMouseOver menu)
3. onMouseRelease folder - samples 
  - analysis
  (Win 98 : open menu -- onMouseOver folder -- onMouseRelease folder)
  (MacOS9 : selecting item then opening item)
  (Zelda : changing menu page)
4. onMouseOver item - samples & analysis
  (Win 98 : no such sonification)
  (MacOS9 : onMouseOver item)
  (Zelda : onMouseOver item)
5. onMouseRelease item - accepted - samples 
  - analysis
  (Win98 : onMouseRelease item)
  (MacOS9 : selecting item then opening item)
  (Zelda : assign item)
 6. onMouseRelease item - refused
  no such sonification in proposed examples
7. close menu - samples & analysis
  (Win 98 : no such sonification)
  (MacOS 9 : close menu -- close folder)
  (Zelda : close menu)