The program means a set of instructions that a computer system commands, procedures, work order computer programs that are to be used, it must be written in a language that the computer can understand and obey.
The program represents a step set of instructions that command a computer to function. The program will use a computer, it must be written in a language that computers can understand and abide by them.
The program is a system of commands to process instruction set computer work. The program used to operate a computer that will have to write the language that the computer can understand and can follow.