WAN 7 : Wide-Area Network. Composed of two or more local-area networks (LANs). Can be made up of interconnected smaller networks spread throughout a building, a state, or the entire globe
Young & Company Electric Power Products and Related Engineering Services, Glossary of Electrical Terms, http://www.youngco.com/young2.asp?ID=4&Type=3, CA., USA 2001. (Electr Sfty - Amer) {514}