Most definitions found in this glossary are adapted with permission from this text book:Maheu, M., Whitten, P., & Allen, A. (2001). eHealth, Telehealth & Telemedicine: A Guide to Startup and Success. New York: Jossey-Bass. Browse the glossary using this indexSpecial | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALLExchanging information on a whiteboard, a kind of electronic shared onscreen blackboard on which users can write or draw. Whiteboards are often supported by broadband videoconferencing or computer technology. Wide area network (WAN) A data communication network that links distant networks and their computers to provide connectivity between separate networks located in different geographical areas.