Metrics Product Analytics

Question 1

A good framework for defining any metric ?

Answer 1

Anser 2 following Qs:
1. What specific action must the user perform?
2. Over what time-frame?

Question 2

Retention is a specific type of metric. Which Q it answers for e.g Creators on Instagram?

Answer 2

It answers the question: “Of the creators who were active in one period, what percentage of them were also active in a future period?”