As your lead co-learner, one of the balances I seek to strike is a balance between giving you all the tools you need for our inquiry and overwhelming you with info. I suspect that if I asked for a call of hands, people would think I’ve come closer to the “overwhelming with info” part. However, since there seems to be a bit of fuzziness around mindmaps versus concept maps, the very short explanation is that a mindmap is more hierarchical and only labels nodes; concept maps are more network-like and label edges (connections between noses) as well as nodes. Here is a guide that I worked up awhile back around mindmaps and concept maps.
This is what a concept map looks like: