{"section":"tutorials","requestedLocale":"en","requestedSlug":"payments-foundations-and-concepts","locale":"en","slug":"payments-foundations-and-concepts","path":"docs/en/tutorials/payments/foundations-and-concepts/payments-foundations-and-concepts.md","branch":"main","content":"The articles in this section explain the terms and mechanisms used throughout the VTEX Payments module, such as transactions, financial agents, connectors, and security protocols.\n\n## In this section\n\n| Article | Description |\n| --- | --- |\n| [Payment transaction](/en/docs/tutorials/what-is-a-transaction) | What a transaction is and how it relates to the order. |\n| [Financial agents in the payment flow](/en/docs/tutorials/financial-agents-in-the-payment-flow) | The role of each participant in the payment flow, from the gateway to the anti-fraud solution. |\n| [Payment connector](/en/docs/tutorials/what-is-the-connector) | How VTEX integrates with providers that process payments. |\n| [Payment Provider Protocol](/en/docs/tutorials/payment-provider-protocol) | The protocol providers use to develop payment connectors. |\n| [PCI SSC](/en/docs/tutorials/what-is-the-pci-ssc) | The security standards for card data and VTEX's certification. |\n| [3D Secure](/en/docs/tutorials/what-is-3d-secure) | The authentication protocol for online card transactions. |\n| [Digital wallet (ewallet)](/en/docs/tutorials/what-is-an-e-wallet) | How digital wallets work at checkout. |\n| [Offline payment method](/en/docs/tutorials/what-is-an-offline-payment-condition) | Payments that depend on a customer action outside the store, such as boleto. |\n| [Deposit Slip](/en/docs/tutorials/what-is-deposit-slip) | The offline payment method used in Mexico. |"}