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.
A terminal window is a text-only window in a GUI (graphical user interface) that emulates a console. GUI front ends (i.e., graphical interfaces which the user employs in a GUI and which hide the command line nature of the underlying program) are available for some command line programs. An example is kdesu, which is a graphical front end for the su (i.e., substitute user) command.