Mind Maps are useful. But Concept Maps Open-up Networked Thinking
Network and Relationship models. The ability to see the connection between things, like a Mind Map yet more flexible. A Concept Map is much easier to practice than describe - here there's more about Concept Mapping.
This is one of the most frequently used tools in Adaptive Change Design. Of course, you can do it on paper but a software tool makes it easier. My preference is C-map Tools.