Site search is a complex topic that requires expertise in various aspects, including user experience, relevance, and performance. It's essential to understand the terminology, goals, and challenges of site search to create an effective solution. Great site search should be both relevant and engaging for users, while also being easy-to-use and performant for businesses. Key elements of great site search include typo tolerance, synonyms, plurals, and personalized experiences that meet user intent. Site search should also be measurable and used as a lever for growing the business, with analytics playing a critical role in defining KPIs and optimizing results. By empowering business teams to manage and optimize their search, businesses can achieve happier users and better business results.