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Information Architecture Glossary

25 essential terms — because precise language is the foundation of clear thinking in Information Architecture.

Showing 25 of 25 terms

A research method where users group content labels into categories that make sense to them, revealing mental models.

Related:tree testingmental modelsuser research

A qualitative assessment of existing content evaluating accuracy, relevance, quality, and effectiveness.

Related:content inventorygap analysiscontent governance

A comprehensive catalog listing every content asset in a system with associated metadata.

Related:content auditcontent strategymigration

A standardized set of terms used for consistent indexing and retrieval of content.

Related:taxonomythesaurusmetadata

A filtering system that allows users to narrow content using multiple independent dimensions simultaneously.

Related:search systemsfilteringe-commerce

The quality of being locatable or navigable within an information environment.

Related:information scentnavigationsearch

A classification system created collaboratively by users through free-form tagging rather than by a centralized authority.

Related:taxonomytaggingsocial classification

The primary navigation system present on every page of a website, providing consistent access to top-level sections.

Related:local navigationbreadcrumbsnavigation systems

An expert review method where evaluators assess an interface against a set of recognized usability principles.

Related:usability testingexpert reviewNielsen's heuristics

The structural design of shared information environments, focusing on organization, labeling, navigation, and search.

Related:user experiencecontent strategyinteraction design

A theory describing how users seek information using strategies analogous to animals foraging for food, following information scent.

Related:information scentsatisficingbrowsing behavior

Cues that help users assess whether a navigation path will lead to their desired content.

Related:information foraginglabelinglink text

The set of terms and icons used to represent content categories, navigation options, and links within an information space.

Related:controlled vocabularynavigationtaxonomy

A user's internal understanding of how a system is organized and how it works.

Related:card sortinguser researchconceptual model

Structured data that describes, explains, or locates other data, making it easier to retrieve, use, and manage.

Related:controlled vocabularytaxonomyschema

The set of mechanisms allowing users to move through and orient themselves within an information space.

Related:global navigationbreadcrumbssitemap

A formal representation of knowledge as a set of concepts and the relationships between them within a domain.

Related:taxonomysemantic webknowledge graph

The schemes and structures used to group and relate content, including hierarchical, sequential, and matrix arrangements.

Related:taxonomyclassificationhierarchy

A hierarchical structure in which an item can have more than one parent, appearing in multiple categories.

Related:taxonomycross-listingfaceted classification

A design strategy that sequences information across multiple screens or interactions, revealing complexity gradually.

Related:cognitive loadsimplicitywizard pattern

The tools and interfaces enabling users to query content and receive relevant results within an information environment.

Related:faceted navigationindexingrelevance ranking

A visual or structured representation of all pages and content in a website, showing hierarchical relationships.

Related:wireframehierarchysite structure

A hierarchical classification scheme organizing content into categories and subcategories based on shared attributes.

Related:controlled vocabularyontologyfolksonomy

A usability method testing whether users can find items in a proposed hierarchy, using a text-only tree structure.

Related:card sortingfindabilitytask success rate

A low-fidelity visual guide representing the skeletal framework of a page, showing layout, content placement, and navigation.

Related:prototypesitemapcontent layout
Information Architecture Glossary - Key Terms & Definitions | PiqCue