Grouping is a form of hierarchical knowledge representation, similar to mind mapping

Mind map

A mind map is a diagram used to represent words, ideas, tasks, or other items linked to and arranged around a central key word or idea. Especially in British English, the terms spidergram and spidergraph are more common, but they can cause confusion with the term spider diagram used in mathematics...

, concept mapping

Concept map

For concept maps in generic programming, see Concept .A concept map is a diagram showing the relationships among concepts. It is a graphical tool for organizing and representing knowledge....

 and argument mapping, all of which need to observe at least some of the principles of grouping.

The principles of grouping include MECE

MECE principle

The MECE principle, pronounced 'meesee', mutually exclusive and collectively exhaustive, is a grouping principle and one of the hallmarks of problem solving at McKinsey...

 (mutually exclusive and collectively exhaustive), levels of abstraction

Principle of abstraction

The principle of abstraction is a grouping principle, whereby a hierarchy is adhered to with higher levels of abstraction placed near the top with more specific concepts underneath....

 and horizontal and vertical congruence.

Grouping may also insinuate a collective

Collective

A collective is a group of entities that share or are motivated by at least one common issue or interest, or work together on a specific project to achieve a common objective...

 virtually bringing individuals of all sorts regardless of caste

Caste

Caste is an elaborate and complex social system that combines elements of endogamy, occupation, culture, social class, tribal affiliation and political power. It should not be confused with race or social class, e.g. members of different castes in one society may belong to the same race, as in India...

, creed

Creed

A creed is a statement of belief—usually a statement of faith that describes the beliefs shared by a religious community—and is often recited as part of a religious service. When the statement of faith is longer and polemical, as well as didactic, it is not called a creed but a Confession of faith...

, ethnic origin or even religion

Religion

Religion is a collection of cultural systems, belief systems, and worldviews that establishes symbols that relate humanity to spirituality and, sometimes, to moral values. Many religions have narratives, symbols, traditions and sacred histories that are intended to give meaning to life or to...

 to one single platform, where they can have full emancipation to enjoy all kinds of luxuries that actually exist in human

Human

Humans are the only living species in the Homo genus...

life., advent of new media.