Have a mother script and be able to change its export variables in different places without it affect others

Question

Hi!
A confusing title I know. I'm making a UI system, I want to show the resources you need for something, so I like the amount for each thing to just be controlled by a script with exported vars so I don't need a script for each item, and, its easier to manage since everything is exported.
I think I saw something like this before but I can't quite remember how to do it.

If you can help in any way big thanks!

Answer 1

https://docs.godotengine.org/en/stable/tutorials/scripting/singletons_autoload.html

https://docs.godotengine.org/en/stable/classes/class_mainloop.html?highlight=main%20loop

https://docs.godotengine.org/en/stable/getting_started/first_2d_game/05.the_main_game_scene.html?highlight=main%20loop