Which of the following are traditionally considered pillars of human resource management?

Based on the official SAP SuccessFactors documentation on learning.sap.com, the three traditionally recognized pillars of Human Resource Management are: A. Learning and development - Confirmed as one of the "traditional four pillars of human resource management" in SAP SuccessFactors: recruiting, learning and development, performance management, and compensation management. B. Core HR and payroll - While not listed among those same four pillars, Core HR and Payroll is a foundational,administrative cornerstone of HR—explicitly part of the SAP SuccessFactors platform’s core HR capabilities, often grouped under "Core HR". C. Talent management - Talent management encompasses recruiting, performance, and development—directly aligning with several of those key pillars and commonly referenced as a central HR domain in SuccessFactors suite architecture. (Reference: SAP Learning Journey - Positioning SAP Business Suite via SAP SuccessFactors HCM Solutions, Lesson: Summarizing the SAP SuccessFactors History and Modules, https://learning.sap.com/learning-journeys/exploring-sap-successfactors-platform/summarizing-the-successfactors-history-and-modules_e11f8449-433a-4934-84f3-b6333a765e57 - "The capabilities included in the solution cover the traditional four pillars of human resource management: recruiting, learning and development, performance...")