You can write you essay with a pen and you can communicate to someone across the street by flashing your bedroom light on and off in a series of dots and dashes, both work but aren"t the easiest way and I"m not going to explain here why word processing is better than using pen and paper i"ll just assume that that"s the way you"re going to do it. The most commonly used word processor is Word and since that"s the one...