The third step is to design the search interface and interactions that enable your users to easily and effectively find what they are looking for. To do this, you should apply UX design principles and best practices, such as clear and consistent labels, icons, and buttons for your search elements. Additionally, you should provide visual cues and feedback to indicate the status and progress of the search. Furthermore, use appropriate input fields and controls for different types of queries and filters, as well as natural language and conversational tone for your search prompts and results. Providing relevant suggestions and hints to guide your users is also important. You should also allow them to refine, modify, and expand their search criteria. Finally, display the results in a clear and organized way, highlighting the key information and matching terms. Additionally, provide options to sort, filter, and navigate the results while supporting multiple devices and screen sizes to ensure accessibility and usability.