I would like the first action by the learner, once a domain is selected, to be an essay, poem, diagram, painting, etc. expressing the source and focus of their interest. Then we can proceed from that grounding and implied destination, no matter how intermediate on their path.
Start by creating your own graph of what you would like to understand between now and some future phase in your life.
Then review the graph of five, interpolate your graph with that one, making it more useful for the next person.
Pick one of more topics for exploration. Lay out how you imagine approaching the journey.