Move a field to new location

You only need to edit your form on the form builder and click the field you need to move, then drag and drop it where you need it to be. 

Here are some guides as well that will help you with that: 

https://www.jotform.com/help/90-Form-Field-Positioning

https://www.jotform.com/help/328-How-to-Position-Fields-in-JotForm

I hope this helps.