Not sure if this came from this board first, but some redditfag posted it over there.
There’s a book called Expand Your Thinking that’s all about creating mind maps to help visualize ideas to aid others in learning them.
Check it out. One of his maps is even called The Bridge.
http:// www.eggplant.org/tf/research/journal_articles/pdf/developing-minds-hyerle.pdf
https:// www.amazon.com/Expand-your-thinking-student-resource/dp/091682523X