| In tEr fes: A boundary across which 
            systems communicate. 
 
 
              Port: (Math.) A process of demonstration in which a general 
            truth is gathered from an examination of particular cases, one of 
            which is known to be true, the examination being so conducted that 
            each case is made to depend on the preceding one; -- called also {successive 
            induction}.a surface forming a common boundary of two bodies, spaces, phases 
                or regions. the place at which independent and often unrelated systems meet 
                and act on or communicate with each other <the man-machine 
                interface> the point at which communication between machines or systems 
                can be connected.the means by which interaction or communication is achieved 
                at an interface. A device to interact or communicate with another 
                system component. the point at which the operation of different systems or the 
                interests of different groups overlap.a situation, way or area in which two things or groups can come 
                together and have an effect on each other.the overlap where two theories or phenomena affect each other 
                or have links with each other. a boundary or point common to two or more similar or dissimilar 
                command and control systems, sub-systems, or other entities against 
                which or at which necessary information flow takes place. the communication between a calling program and a subroutine. 
              the physical or logical connection between a computer and the 
                user, a peripheral device, or a communications link. a program that controls a display for the user and that allows 
                the user to interact with the system [syn: {user interface}] graphical user interface: (GUI) a computer program that enables 
                a person to communicate with a computer through the use of symbols, 
                visual metaphors, and pointing devices. The GUI is now the standard 
                computer interface, and its components have become cultural artifacts.the equipment or programs used to communicate between different 
                systems or programs. Hardware and associated circuitry that links 
                one device with another The link between parts of a computer system, 
                or between two different systems varies from a simple cable connection 
                to an "intelligent" device which translates protocol. 
                An interface can be between hardware and hardware, hardware and 
                software, software and software, and human and computer [syn: 
                {port}]  
 Surface \Sur"face`\, n. [F. See {Sur-}, and {Face}, and cf. 
            {Superficial}.] 1. The exterior part of anything that has length 
            and breadth; one of the limits that bound a solid, esp. the upper 
            face; superficies; the outside; as, the surface of the earth; the 
            surface of the body.
 
 "The bright surface of this ethereous mold."
 Milton
 
 "The easy menu interaction views cooked data through predefined 
            windows"
 El Iblis
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