what does submissions receive 1 payment mean?

choosing to upgrade but don't understand what this means above

The receive 1 payment in the plan is the number of submissions that have payment integration on them. For example, we have Paypal payment integration on our form, if a user fills out the form,submitted it and successfully completed the payment, then that would be counted as a payment.

You can check this article to learn more about our usage and limits.

Understanding-Your-Account-Usage-and-Limits

Please let us know if we can be of further assistance.

Ahhh, I see..... thank you