Serialization in simple terms - game programming

Let's unconfuse the concept of serialization in game development, applying to any game engine - Unity, Godot, Unreal, etc.

Timestamps
Intro: (0:00)
What serialization is NOT: (0:40)
Understanding serialization through an example: (2:09)
Deserialization and serialization in computing: (4:42)
Different serialization formats: (7:51)
When serialization is used, starting with saving and loading: (9:27)
Scenes and exposing properties of objects: (12:01)
Sending data over a network: (20:25)
Conclusion and sign off: (24:34)

[StroominPrime]

I'm getting hungry with so much talk about cerealization

[unfa]

13:10 Why are there two mouse cursors? :0

[rainsol]

Video thumbnail be like:
"What's SERI, ALI, ZAT and ION?"

[GreySectoid]

Does Godot support serializing out of the box like Unity does?

[TeeMee]

I've heard serialization in C++ is painful