Learning Materials

A data type is an attribute of data that tells the compiler or interpreter how the programmer intends to use the data.

In Godot, GDScript classes are reference types (objects).

var example: Node2D = Node2D.new() # variable example is a Node2D data type

You are also able to cast data types:

var example: Node = Node2D.new() as Node # cast Node2D instanced object as Node

Github Project:

Classes as Data Types | Godot GDScript Tutorial | Ep 18