Related Terms. A Rapid Application Development (RAD) system developed by Borland International, Inc. Delphi is similar to Visual Basic from Microsoft, but whereas Visual Basic is based on the BASIC programming language, Delphi is based on Pascal.
A parameter is a numerical value that states something about the entire population being studied. For example, we may want to know the mean wingspan of the American bald eagle. This is a parameter because it is describing all of the population. Parameters are difficult if not impossible to obtain exactly.
Arguments are names of values passed to a function by a function call. Parameters are the values the function expects to receive. In a function prototype, the parentheses following the function name contain a complete list of the function's parameters and their types.