UI5 and SAP Fiori represent further components besides SAP Screen Personas. These technologies are the key elements of the SAP UX strategy.
SAP Screen Personas: An Introduction
As an addon of SAP ERP and SAP S/4 HANA, SAP Screen Personas offers numerous advantages for the user experience on various end devices.
SAP Knowledge Transfer Document
SAP is expanding its repertoire with another technology for documenting ABAP development objects: the Knowledge Transfer Document (KTD).