What's the Difference Between Retention Bonus and Joining Bonus?

Employees are offered compensation packages that include other components apart from basic such as ESOP, RSU, and ESPP. As an employee, are you aware of all these different terms and how these are calculated in your CTC?
In this live session, Abhimanyu Saxena (Co-founder: Scaler Academy) and Arnav Gupta(ex-Engineering Head of Zomato Android App), break down the CTC packages for techies.
Here are the topics covered in this video:

0:00 - Introduction
0:46 - Current situation of jobs and CTC due to pandemic
3:14 - Company CTC and package distribution
7:23 - What is joining Bonus
11:22 - What is a retention bonus
14:55 - Is there Tax cut on joining bonus
16:29 - What is a performance bonus
19:51 - What are stock price-based incentives?
21:24 - Non cash components of the Package
26:59 - What are RSUs
29:25 What is a Stock option
34:10 Cliff and vesting
39:18 - What happens when you leave in 2 years if the company vesting period is 4 years?
46:54 - Why is the whole stock amount calculated in annual CTC?
51:11 - How important are other benefits like Health care etc?
58:35 - What happens to ESOPs if the company is acquired by another MNC?
1:02:31 - Is taking a hit on Salary in return for ESOPs normal?
1:07:23 Gratuity component of CTC?