Glossary term Retention
Feedback Loop
A cycle in which the output of a behavior feeds back to influence the next round. Good feedback is timely, specific, and actionable; without it, people can't tell whether they're improving.
Where you see this in practice
The mechanics that lean on it
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XP / Leveling
An experience point system where users accumulate points through actions, eventually reaching level thresholds that unlock rewards or status.
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Streak / Streak Bonus
A counter that increments each time a user completes a defined action within a set time window, typically once per day.
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Achievements / Milestones
Named, permanent markers of progress or behaviour that the user collects over time.