Some landers have multiple exit points to the offer and it is helpful to know where users click most often or much less, what content is interesting to them, etc. To do so, add one parameter into your Click URL on landers (links to the offer): &place=/name of exit point/.
For example: http://tracker.com/click.php?lp=1&place=banner1. As a result, in the campaign’s statistics you will get the report like this: