Tweak Blender database and .blend file content, to help you code

PM writes:

Did you know you can transform an annotation into a 3D Grease Pencil?
You’ll discover Blender internal database and how to access it.
AS an artist, it blew my mind to discover how Blender is running.
No add-on required.

This is one of my first videos on Blender so bear with me :)
We enjoy sharing and discovering new things with the community.