Several kinds of online help about the debugger and debugging are
  available during a debugging session:

   -  Context-sensitive help, which is information about an area or
      object in a window or dialog box

   -  Task-oriented help, which consists of an introductory help topics
      describing the tasks that can be accomplished in each window of the
      debugger and several subtopics on specific debugging tasks

   -  Help on debugger commands and various topics, such as language
      support

   -  Help on debugger diagnostic messages

  Related context-sensitive and task-oriented topics are connected
  through the list of Additional Topics in the Help windows.