Questions about scripts execution order

Scripting
,
1

Let’s say I have two gameObjects in a scene. Both of them have the same script.
Does one run the script and then the other?
Or the two run the code at the same time?

2

One runs, and then the other runs. The core of Unity that we use is single-threaded. Though this order isn’t deterministic.

3

thanks, but what is single-threaded?

4

You know what multithreaded is?

Multithreading means things can run in parallel. Singlethreading means they can’t, every method runs consecutively.

5

Thanks