Great article!
James Kyle

I think we are reading in different context.

You can think of the drawing as compiled result like .exe file, and “draw based on instruction” step as human’s way of code generation. 
In this case I can pass on the drawing (compiled result) to anyone or any device (scanner, camera etc) to “run it” and everyone (or device) will see a black line in the middle.

Just added this compiled result explanation to the post. Thanks!

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