In the SAP S/4HANA Cloud Public Edition, within the general data segment of the customer business partner, fields such as 'Communication language' and 'Bank key' are maintained. The Communication language is vital for ensuring that correspondence with the business partner is conducted in the preferred language, enhancing communication efficiency. The Bank key, essential for processing transactions, identifies the bank details of the business partner, facilitating financial transactions such as payments.
References:
SAP S/4HANA Cloud Business Partner Configuration guide
SAP Help documentation on managing business partners

SAP Build and SAP Fiori extensibility apps are tools that enable non-developers to create low/no-code extensions within the SAP ecosystem. SAP Build offers a suite of tools that allow users to design, prototype, and deploy applications without deep technical knowledge, embracing a low-code approach. SAP Fiori extensibility apps provide a user-friendly interface to adapt and enhance existing SAP Fiori apps to meet specific business needs, enabling key users to modify app behaviors, add new fields, or change layouts without requiring traditional development skills.
References:
SAP Build platform overview
SAP Fiori extensibility documentation

The Extensibility Cockpit app in SAP S/4HANA Cloud Public Edition provides visibility into the available business context capacity remaining for extension items. This app serves as a central hub for managing and tracking customizations and extensions, offering insights into how much of the allocated capacity for extending standard functionalities is used and what remains available, thus supporting effective governance of system extensions.
References:
SAP Fiori apps reference library
SAP S/4HANA Cloud Extensibility Guide

For a bank account in foreign currency, the SAP S/4HANA Cloud system evaluates the balance of this account in local currency using the exchange rate valid on the last day of the period during the foreign currency valuation run. This approach ensures that the financial statements reflect the most current value of foreign currency balances in terms of the local currency, accounting for any fluctuations in exchange rates throughout the period. This valuation is essential for accurate financial reporting and risk management.
References:
SAP S/4HANA Cloud Finance documentation on foreign currency valuation
Guidelines for currency valuation in SAP Financial Accounting

When using the 'Manage Journal Entries' app in SAP S/4HANA Cloud Public Edition to display changes to journal entries, the list can include the 'Date of the change' and the 'User who made the change'. These details are critical for audit trails and tracking modifications to financial records, ensuring transparency and accountability within financial operations. The system records and displays when each change was made and identifies the user responsible for the modification, providing insights into the journal entry's history and revisions.
References:
SAP S/4HANA Cloud documentation on managing journal entries
User guides for the 'Manage Journal Entries' app in SAP