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Use ARGUMENT statements to declare both simple and complex arguments (such as expressions). ARGUMENT statement also make it convenient to pass arguments from one program to another, or to create your own user-defined functions since using these statements you can declare an argument of any data type, dimension, or valueset. Any ARGUMENT statements must precede the first executable line in the program. When you run the program, these declared arguments are initialized with the values you provided as arguments to the program. The program can then use these arguments in the same way it would use local variables.