IA UXtory4. Taxonomy vs Ontology: The Decisive Difference in UX Design
Understanding the difference between taxonomy and ontology is essential for UX designers who want to create intuitive navigation, scalable information architecture, and meaningful user journeys. While taxonomy organizes information into hierarchical categories, ontology connects information through relationships and context. Mastering both structures can dramatically improve user experience and business performance. Why Taxonomy Matters in UX Structure Taxonomy is the backbone of information architecture. It organizes content into hierarchical categories, moving from broad concepts to specific items. In UX design, this often appears as global navigation, category menus, filters, and breadcrumbs. When users enter a website or app, they instinctively ask, “Where am I?” and “Where should I go next?” Taxonomy answers these questions through clear structural layers. A well-designed taxonomy reduces cognitive load. Users do not need to guess where information might be hidden because the...