User-centric design is not a one-time activity or a separate phase of your product management process; rather, it is an ongoing and iterative practice. To begin, you need to define your user personas and scenarios, by identifying who your users are, what they want, and how they use your product. Create realistic profiles and stories that represent your user segments and their goals, needs, and pain points. Then, validate these assumptions and hypotheses by testing them with users via interviews, surveys, prototypes, and experiments. Analyze the feedback and data you collect to inform your product decisions. Next, design features and interfaces that match your user personas and scenarios. Utilize principles of user interface design such as simplicity, clarity, consistency, and accessibility to create a product that is easy to use. Finally, evaluate the performance of your product or new feature after launch. Measure usage, retention, satisfaction, loyalty to assess how well the product meets user needs. Collect user feedback and data to identify areas for improvement and opportunities for enhancement.