Hi,
Sorry it is looking like you did not not understand the issue clearly. Let us explain little detail. Please note down the position of Slide 1 text initially. Click on the navigation and move to next Slides. Please click on the Slide 1 now and compare the text position. It will move from its original position when compared with the one you saw initially. Please refer the screenshots below for clarification.
Hope this clarifies and please let us know if not.
Thanks.