I dont speak fluently english so dont mind my grammar… :
I wanted to modify a thing on the verso of my card so i clicked on cards and then turn but now all my card have the same blank answer and i dont know what to do !
this is normally the back template.
but as you had more fields in your template I thought you might have more fields on the back.
I see that you have 4 fields (Front, Example, Image and Back)
if you wish to only see the Back field on the back and everything else on the front, then your front template would look like this