(psychology) the configuration of smaller units of information into large coordinated units WordNet 3.0 & Open English WordNet

In cognitive psychology, chunking is a process by which small individual pieces of a set of information are bound together to create a meaningful whole later on in memory. Wikipedia

A short-term memory mechanism and techniques to exploit it Wikipedia Disambiguation

Psychological phenomenon observed in memory tests Wikidata

A method of presenting information which splits concepts into small pieces or "chunks" of information to make reading and understanding faster and easier, using such methods as bulleted lists, short subheadings, or short sentences with one or two ideas per sentence. Wiktionary

Process of unitizing. Wiktionary