SAP S/4HANA is SAP's ERP suite redesigned about the SAP HANA System. Most SAP consultants that I talk to generally have heard of HANA or S/4HANA. But there's a lot of promoting jargon behind this, it is usually bewildering to put your finger firmly on what HANA or S/4HANA is https://fernandoaxrkd.nizarblog.com/32963999/a-review-of-s-4hana