An IT value delivery framework PRIMARILY helps an enterprise

While increasing transparency is a component of good governance and contributes to value delivery, it is a means to an end, not the primary overall objective of an entire framework.

Assisting top management in approving projects is part of IT governance and portfolio management, but an IT value delivery framework has a broader scope, encompassing the entire lifecycle of value creation, not just initial approval.

Improving the value of successful IT projects is a positive outcome, but a value delivery framework's goal is more encompassing, seeking to optimize value across all IT efforts, including unsuccessful ones (lessons learned) and ongoing operations, not just specific successful projects.

An IT value delivery framework, such as aspects of COBIT or ITIL, is designed to ensure that IT services and investments are aligned with business goals and deliver the maximum possible value to the enterprise. This involves optimizing the entire process from demand shaping to value realization, moving beyond just successful projects to holistic value creation and optimization.