*These classes will be used later on into the tutorial.

*Commands are in the most laymen terms, actions. What we mean by action is that we are insisting through some physical representation, whether it be a button or plain-typed text, we are calling an event. That event can be to exit the program or even perform a feature within the application.

*Let's create our first menu for the menu bar that will contain a command to exit the application.

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