# Glossary Articles

> Articles about Glossary from Dodo Payments, including guides, insights, and best practices.

- **URL**: https://dodopayments.com/blogs/category/glossary

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- [Proforma Invoice vs Invoice: Differences, Templates, and When to Use Each](https://dodopayments.com/blogs/proforma-invoice-vs-invoice): Proforma invoice vs invoice compared. Definitions, when to send a proforma, legal and tax implications, and how SaaS teams use both in B2B billing.
- [Remittance Advice: What It Is, When to Send One, and Free Templates](https://dodopayments.com/blogs/remittance-advice-guide-templates): Remittance advice explained for SaaS founders. What it is, when buyers and sellers send one, formats, and how modern billing automates the whole flow.
- [Payment Gateway vs Payment Processor: What's the Actual Difference?](https://dodopayments.com/blogs/payment-gateway-vs-payment-processor): Payment gateway vs payment processor explained. Where the line is drawn, why most modern providers do both, and what SaaS founders should actually care about.
- [What is Direct Debit? How It Works for SaaS Subscriptions (2026)](https://dodopayments.com/blogs/what-is-direct-debit): Direct debit explained for SaaS founders. How ACH, SEPA Direct Debit, BACS, and Faster Payments work, when to use direct debit over cards, and the trade-offs.
- [SWIFT Code vs BIC: What's the Difference and When You Need Each](https://dodopayments.com/blogs/swift-code-vs-bic-explained): SWIFT code and BIC explained for SaaS founders accepting global payments. Format, how to find one, ACH and SEPA equivalents, and when SWIFT actually matters.

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