Google Apps is a service from Google providing independently customisable versions of several Google products under a custom domain name. It features several Web applications with similar functionality to traditional office suites, including: Gmail, Google Calendar, Talk, Docs and Sites.

A Local Area Network (LAN) is a computer network covering a small physical area, like a home, office, or small groups of buildings, such as a school, or an airport. The defining characteristics of LANs, include their usually higher data-transfer rates, smaller geographic area, and lack of a need for leased telecommunication lines.