What is the main goal of UX design?

Can you elaborate on the primary objective that UX design strives to achieve? Is it focused on enhancing user satisfaction, facilitating ease of use, or a combination of both? How does a UX designer approach this goal, and what techniques or methodologies do they utilize to ensure the success of their designs in achieving this primary aim? Furthermore, how does the end-user's experience factor into the decision-making process of a UX designer, and what role does it play in shaping the final product?