# Heuristic

A broad rule of thumb for good design, not a specific guideline.

**Source:** “broad rules of thumb and not specific usability guidelines” [10 Usability Heuristics for User Interface Design (Nielsen Norman Group)](https://www.nngroup.com/articles/ten-usability-heuristics/)

See also: [Heuristic evaluation](/reference/glossary/heuristic-evaluation), [Evaluator](/reference/glossary/evaluator).

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Published 2026-10-29. Web page: https://www.mackenziebowes.com/reference/glossary/heuristic