A communications network with additional functions such as error correction, protocol conversion and message storing.

(artificial intelligence) A real or virtual computer system designed to emulate the brain in its ability to "learn" to assess imprecise data.

(computing) A network set up for use by a limited number of individuals, such as employees of a company, operating over a large area. The network typically uses encryption to keep information secure.

(computing) The physical arrangement of a network; the way in which cables are arranged in order to connect computers in a network.

Lower; under. / Lying beneath, or conceived as lying beneath, the Earth’s surface.

Down; downward. / Low; low down.

(transitive, UK dialectal, Northern England, Scotland) To bring or thrust down; bring or make low; lower; abase; humble.

(UK dialectal, Scotland) Oppression; stress; a withering or stunting influence. / (mining) A trouble; a fault or dislocation in a seam of coal.

(linguistics) A graph whose vertices represent concepts and edges represent semantic relations, such as synonymy—having very similar meaning, hyponymy—being a subclass, or meronymy—being a part of a whole.

The integration of data and voice communications services that are transported over digital facilities of various physical types.