implicit type coercion
     Automatic conversion of a value from one data type to another.

explicit type coercion (a.k.a. a "type casting")
     The purposeful conversion of a value from one data type to another by the programmer.

prototype (C++)
     A listing of a subroutine heading, indicating the name of the subroutine, the type of value returned (if it is
     a  function), and its parameters (listed in order by type, but not necessarily named), placed at the top of a
     module  to give the compiler information so that when it comes across the invocation of a subroutine in the      module, it  can check to see if it is being used properly.

subroutine
     A named set of instructions which may be called (invoked) to perform a well-defined task.

procedure
     A subroutine whose invocation stands alone as an instruction; returns 0 or more values via specially
    designated parameters.

function
     A subroutine whose invocation is used in an expression; returns a single value.

invocation of a subroutine
     The mechanism that transfers control to the subroutine. The point in a program at which a subroutine is      "called" to do its job.

parameter list (argument list)
     A mechanism by which subroutines communicate with each other. (Details coming soon...)

library routine
     A function or procedure which is available in a library of routines supplied by the particular programming      language which is being used.

include directive
     (C++) For the preprocessor. Indicates the libraries in which reside one or more functions and/or
     procedures used in the module. Other languages have similar directives.

"void function"
     C++ term which refers to a procedure.

output manipulator
     Gives programmer control over the format of output.

precision
     The maximum number of significant digits in a numeric value.