1. Sub-node
2. Sub-node
3. Sub-node
4. Sub-node
5. Sub-node
6. Sub-node
7. Sub-node
8. Sub-node
9. it is
10. What is the Central Idea
11. Sub-node
12. Important Concept 2 (has highest number of incoming and outgoing links)
13. Related Idea 4 (definition if necessary)
14. Related Idea 1 (definition if necessary)
15. Important Concept 1 (has highest number of incoming and outgoing links)
16. Check out step-by-step concept map tutorial: https://www.xmind.net/blog/en/2019/11/concept-map-tutorial/