In telecommunications, packet switching is a method of grouping data into packets that are transmitted over a digital network. Wikipedia

A digital networking communications methodology Wikipedia Disambiguation

Method for transmitting data over a computer network Wikidata

A means of directing digitally encoded information in a communication network from its source to its destination, in which messages may be divided into smaller entities called packets, each of which travels independently through the network in paths based on moment to moment routing decisions made by the nodes through which they pass. Wiktionary

Means of directing information in a network. Wiktionary (translation)