Traditionally, cartography is the study and practice of making maps -- but I'd argue that maps can take many forms beyond the traditional geographic. Mind maps, for instance, to show the flow and connection of ideas.
Really, that is very interesting.Tell me more
Have you ever seen a mind map? It's a diagram to visually organize information.
I heard of these type of maps.What are they usefull for?
It's a great way to *see* and to visualize information. There's a single concept at the center of the map, then other ideas that branch out from that. 
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"rough notes" during a lecture, meeting or planning session, for example, or as higher quality pictures when more time is available. Mind maps are considered to be a type of spider diagram. A similar concept in the 1970s was "idea sun bursting".
Origins.
Although the term "mind map" was first popularized by British popular psychology author and television personality Tony Buzan, the use of diagrams that visually "map" information using branching and radial maps traces back centuries. These pictorial methods record
Outline of cartography
The following outline is provided as an overview of and topical guide to cartography:
Cartography (also called mapmaking) – study and practice of making and using maps or globes. Maps have traditionally been made using pen and paper, but the advent and spread of computers has revolutionized cartography.
Essence of cartography.
- Atlas
- Globe
- Map
- Map collection
- Mapping of the Earth
Branches of cartography.
- Celestial cartography
- Planetary cartography
Branches of cartography Approaches