+A **Domain Expert** possesses deep, specialized knowledge within a particular subject area, acquired through years of experience and study. Their critical insights are essential for [Problem Solving](/wiki/problem_solving) and informing [System Design](/wiki/system_design), bridging theoretical understanding with practical application.
+## See also
+- [Expertise](/wiki/expertise)
+- [Knowledge Management](/wiki/knowledge_management)
+- [Subject Matter Expert](/wiki/subject_matter_expert)
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