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By now you should have a feel for how applications are developed using Xcode, and the skill to create your own applications. The basic steps and tools are pretty much the same for almost any project, be it a browser plug-in or an iPhone application. I will warn you that this chapter merely scratched the surface of Xcode. Xcode itself is both broad and deep—entire books have been written about it. Consider this introduction as more of a stroll down the Champs-Élysées than an exhaustive tour of Paris.
Now that you have some grounding in practical development, the next few chapters will delve deeper into specific Objective-C technologies.