The document discusses the four pillars of an effective enterprise search strategy: context, content, metadata, and user experience (UX). It emphasizes that context matters for different user roles and responsibilities. It also stresses that only a small percentage of total content should be indexed to ensure relevance. Effective use of metadata, such as managed properties and taxonomies, can help users refine searches. Finally, it highlights the importance of continuously optimizing the search experience and interface based on usage data and user feedback.