According to the SAP S/4HANA Cloud, public edition Learning Journey1, if you want to develop your own cloud applications for SAP S/4 HANA Cloud, you should use SAP Cloud SDK. SAP Cloud SDK is a tool that allows you to create, extend, and integrate cloud applications for SAP S/4HANA Cloud and other SAP solutions. The tool provides libraries, templates, samples, and services for developing cloud applications using various programming languages and platforms.

According to the SAP S/4HANA Cloud, public edition Learning Journey1, the purpose of the Starter system in the SAP S/4HANA Cloud implementation project is to demonstrate SAP Best Practices processes in a preconfigured system and identify customer personalization requirements. The Starter system is a system that contains sample data and scenarios that showcase the standard processes and functionalities provided by SAP S/4HANA Cloud. The Starter system is used in the Explore phase of the implementation project to conduct the Fit-to-Standard workshops, where the customer's business requirements are compared with the standard processes and functionalities.

According to the SAP S/4HANA Cloud, public edition Learning Journey1, some of the subphases assigned to a job that are listed for maintenance in the Perform Maintenance Jobs SAP Fiori app are Work Paused and Work Finished. The Perform Maintenance Jobs app allows you to view and process jobs for maintenance orders or notifications. A job is a subunit of a maintenance order or notification that represents a specific phase or status of the maintenance work. Work Paused is a subphase that indicates that the maintenance work has been temporarily stopped due to some reason. Work Finished is a subphase that indicates that the maintenance work has been completed.