Nice Widget Tree YouTube Video
Getting a good handle on the Flutter Widget Tree seems like a key to avoiding “flutterstration” since the widget cascade can store key values and constrains well above the widget that holds the actual context.
The video at: https://www.youtube.com/watch?v=JIcmJNT9DNI helps bridge this gap. Also embedded here:
A good summary graphic might be the following pointing out a snip of Dart code to Widget Tree mapping: