Relationship Types Semantics. This type addresses meaning, definition, synonym, antonym, contrast, degree, intensity, word parts, and expression. Classification. This type addresses hierarchy, classification, category, membership, and whole/part. Association. This type addresses object/characteristic, order, sequence, transformation, agent/object, creator/creation, function, and purpose. Logical/Mathematical. This type addresses mathematical equivalence, and letter or sound patterns. Content Areas General. This area addresses culture, work, business, and life experience. Humanities. This area addresses history, fine art, literature, philosophy, religion, and music. Mathematics. This area addresses numerical, quantitative, and computation math. Language. This area addresses vocabulary, word meanings, grammar, and usage. Natural Sciences. This area addresses biology, chemistry, physics, ecology, and astronomy. Social Sciences. This area addresses psychology, sociology, economics, political science, and anthropology.