SAP S/4HANA Sales is designed on the SAP HANA in-memory platform, enabling simplified data models, real-time analytics, and faster transaction processing

SAP S/4HANA Sales is the Sales and Distribution (SD) module built on SAP S/4HANA. It supports the complete sales lifecycle (Order to Cash) including: Customer inquiry and quotation Sales order processing Delivery and goods issue Billing and revenue recognition Credit and risk management

The O2C process refers to the series of steps a business takes to process customer orders, deliver products or services and receive payment.