In this article, the focus is on the technical aspects of facets and faceted search, with a particular emphasis on dynamic faceting. Dynamic faceting displays relevant facets to users based on their intent, ensuring that only the most appropriate facets are shown. This approach can be particularly beneficial for businesses with diverse products, such as ecommerce sites like Amazon. The article explains how dynamic faceting works by extracting facet keys from product data and selecting the top 5 most common facets. It also discusses the importance of rendering the results and facets in a user-friendly manner, including using HTML containers and applying range sliders and dropdowns for certain attributes. Additionally, the article highlights the need to treat color differently due to its appearance on multiple items, and suggests collapsing records into a single record with an "available_colors" attribute. Overall, the article provides insight into how dynamic faceting can enhance the search experience for users and businesses alike.