# Core Concepts

- [Overview](/core-concepts/overview.md)
- [Partners](/core-concepts/partners.md)
- [Merchants](/core-concepts/merchants.md)
- [Shoppers](/core-concepts/shoppers.md)
- [Exchanges](/core-concepts/exchanges.md)
- [QR Payments](/core-concepts/qr-payments.md)
- [Bank Payments](/core-concepts/bank-payments.md)
- [Invoices](/core-concepts/invoices.md)
- [Settlements](/core-concepts/settlements.md)