A UX Strategy, or User Experience Strategy, is a plan that guides teams in delivering products or services of superior quality. It outlines the vision, goals, and actionable items necessary to create an effective and enjoyable experience for users. This includes research, prototyping, testing, implementation, and review. It is pivotal because it enhances customer satisfaction and loyalty by improving the usability, ease of use, and the pleasure provided in the interaction between the customer and the product.