y 

n/a 

n 

Required 

_ 

_ 

_ 

5-13: 

Your application uses the Help key on a component to invoke any context-sensitive help for the component or its nearest ancestor with context-sensitive help available.  

The Help key offers the user a consistent mechanism for invoking context-sensitive help. 

Required 

_ 

_ 

_ 

z: 

Your application provides context-sensitive help at all locations.  

The user should never get a "help not available" message.