What does it mean to create historical information? When does history get created? In the ABC case, is history created at video rental time? or at video return time? or at some other time? How do you...

What does it mean to create historical information? When does history get created? In the ABC case, is history created at video rental time? or at video return time? or at some other time? How do you know when you have the correct answer to this type of question?