Refunds are funds returned to customers, eithr manually (e.g., refund check) and electronically (issued through a payment gateway). Learn more in our blog.
If you contract from Opportunity, the Terminated Date on the original Order Product doesn't get populated. This happens only when you contract from Order.
Explore Salesforce Billing's Cancel and Rebill functionality. Unlike credits, it lets you re-invoice the same products, fixing invoicing errors efficiently
Efficiently manage billing with Salesforce Billing's invoice grouping and splitting. Generate multiple invoices per order or consolidate invoices across orders.