+User engagement measures the depth and quality of a user's interaction with a digital product or service. It reflects how captivated and committed a user is, often indicating [User Retention](/wiki/user_retention) and overall [Product Success](/wiki/product_success).
+## See also
+- [User Experience](/wiki/user_experience)
+- [Usability](/wiki/usability)
+- [Gamification](/wiki/gamification)