An important factor in developing a successful site is knowing the path your visitors travelled through your site. What page did they start at and what page did they end up on. Those are 2 pieces of information that are key to developing your site. And was the path they followed the path you laid out for them. This script will provide these answers for you. This would be equivalent to a department store being able to know what door their customers entered and what areas their customers shopped in first, second, third, etc., and then the area they ended up in before departing.