Grouping is form of hierarchical knowledge representation, similar to mind mapping, concept mapping and argument mapping, all of which need to observe at least some of the principles of grouping. Look up grouping in Wiktionary, the free dictionary. ... A hand-drawn mind map A mind map is a diagram used to represent words, ideas, tasks or other items linked to and arranged radially around a central key word or idea. ... Concept mapping is a technique for visualizing the relationships between different concepts. ... An Argument map is a visual representation of the structure of an argument in informal logic. ...

The principles of grouping include MECE (mutually exclusive and collectively exhaustive), levels of abstraction and horizontal and vertical congruence. This article does not cite any references or sources. ... The principle of abstraction is a grouping principle, whereby a hierachy is adhered to with higher levels of abstraction placed near the top with more specific concepts underneath. ...