+Schema defines the structure and organization of data or knowledge, acting as a conceptual blueprint. It dictates relationships and rules, ensuring consistency and clarity, whether in a [Database](/wiki/database) or a [Cognitive Model](/wiki/cognitive_model).
+## See also
+- [Data Structure](/wiki/data_structure)
+- [Ontology](/wiki/ontology)
+- [Data Model](/wiki/data_model)
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