Growth
Retention
The share of customers who keep using your product over time. The opposite of churn — high retention is a sign of a product people love.
Example
If 80 of 100 new users are still active after a month, month-1 retention is 80%.
Related terms
Churn
किसी अवधि में आप कितने प्रतिशत ग्राहक (या आय) खो देते हैं। ज़्यादा चर्न यानी लोग लगातार छोड़ रहे हैं।
Cohort
A group of users who started at the same time, tracked together so you can see how behaviour changes over their lifetime.
Activation
The moment a new user first experiences real value from your product — the "aha" that makes them likely to stick around.
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