How the order form works?

Honestly I have no idea how this work

With due respect please explain better to me through my gmail

You have one form that is a registration form. If you are trying to integrate payment into it, you need to add it and configure based on your requirement.

For products, you should select the Sell Products option.

For subscriptions, you should select the Sell Subscriptions option. 

You can find more guides related to our payment integrations here https://www.jotform.com/help/chapter-7-Payment+Forms. If you are confused or have an additional question, let us know here. We'll be glad to assist you.