+**Usability** is the ease with which a user can effectively and satisfactorily achieve specific goals with a [system](/wiki/system) or product. It measures how intuitive, efficient, and satisfying an interaction feels, shaping the overall [user experience](/wiki/user_experience). A truly usable design is almost invisible, letting the user's intent flow freely.
+## See also
+- [Design](/wiki/design)
+- [Accessibility](/wiki/accessibility)
+- [User experience](/wiki/user_experience)
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