The primary function of COBIT Implementation Phase 7 is to provide an opportunity for closing the loop for communication workflow, which means to ensure that the results and feedback of the implementation are reported and communicated to the relevant stakeholders, and that the lessons learned and best practices are captured and shared for future reference12.
References7 Phases in COBIT Implementation | COBIT Certification - SimplilearnCOBIT 2019 Design and Implementation COBIT Implementation, page 31.

The goals cascade is a mechanism that translates the stakeholder needs into specific, actionable, and customized goals at different levels of the enterprise12. The stakeholder needs are the drivers of the governance system and reflect the expectations and requirements of the internal and external parties that have an interest or influence on the enterprise34. The goals cascade supports the prioritization of management objectives based on the stakeholder needs, as well as the alignment of the enterprise goals, the alignment goals, and the governance and management objectives12.
References: 1: COBIT 2019 Goals Cascade: A Blueprint for Success 2: COBIT 2019 Framework - ITSM Docs - ITSM Documents & Templates 3: COBIT | Control Objectives for Information Technologies | ISACA
4: Aligning IT goals using the COBIT5 Goals Cascade

This CSF step corresponds to the COBIT objective of knowledge and understanding of enterprise goals, because it involves identifying the business drivers, mission, objectives, and risk appetite of the organization, as well as the scope and boundaries of the cybersecurity program12. This step helps to ensure that the cybersecurity activities and outcomes are aligned with the enterprise goals and strategy34.
References: 1: Cybersecurity Framework Components | NIST 2: Implementing the NIST Cybersecurity Framework Using COBIT 2019 | ISACA 3: COBIT 2019 Design and Implementation COBIT Implementation5 4: COBIT 2019 Foundation | Skillsoft Global Knowledge6

A CSF Informative Reference within the CSF Core provides a citation to a related activity from another standard or guideline that can help an organization achieve the outcome described in a CSF Subcategory12.
For example, the Informative Reference for ID.AM-1 (Physical devices and systems within the organization are inventoried) is COBIT 5 APO01.01, which states "Maintain an inventory of IT assets"3.
References: 1: Informative References: What are they, and how are they used? | NIST 2: Everything to Know About NIST CSF Informative References | Axio 3: NIST Cybersecurity Framework v1.1 - CSF Tools - Identity Digital

The organization's asset register should primarily align to configuration management, because it is a process that maintains an accurate and complete inventory of the organization's I&T assets and their relationships12.
Configuration management supports the implementation of Step 2: Orient and Step 3: Create a Current Profile, because it helps to identify the systems, people, assets, data, and capabilities that are within the scope of the cybersecurity program, and to assess their current cybersecurity outcomes34.
References: 1: COBIT 2019 Framework - ITSM Docs - ITSM Documents & Templates 2: COBIT 2019 Design Guide: Designing an Information and Technology Governance Solution 3: Cybersecurity Framework Components | NIST 4: Implementing the NIST Cybersecurity Framework Using COBIT 2019 | ISACA