An array in twelve-tone and serial composition is the presentation of two or more simultaneous twelve-tone sets in such a way that the sums of their horizontal segments form a (columnar) succession of twelve-tone aggregates. Array mbira, a musical instrument.
The terminal implements a client-server architecture with the server running on a multiprocessor Unix platform. The client, used by end users to interact with the system, is a Windows application that typically connects directly through a router provided by Bloomberg and installed on-site.
For more details on this topic, see Financial data vendor. The largest competitor to the Bloomberg terminal is Thomson Reuters with its Reuters 3000 Xtra system, which was replaced by Eikon platform in 2010, with Bloomberg and Thomson Reuters splitting 30% each of the market share in 2011.