Coroutines in Unity3d - How Coroutine works using IEnumerator || Part 1

The main objective of this Video post is to give you an idea about Coroutines in Unity3D. Why do I have to use the update function every time? What are Coroutines and how can I use them? Why should I use Coroutines? What are the best cases to use a Coroutine? How can I sequence my game flow? Some of you might be asking “What’s the deal with not using Update? I don’t see anything wrong with it!”