For myself the preview was seeing if the seller could add an overlay effect of real rain (for example) in the background of a motion comic. He was trying to understand what I was requesting but he seemed to comprehend what was being asked. So the preview was offered, I just wanted to see if he could pull it off regardless of the comic animation was shoddy or not as that can be adjusted. I just wanted to see the vision be a somewhat reality then proceed with an order. Again this is new for myself as most work is done in person however the world is shifting to remote work so I am shifting along with it when needed.