Projects, Targets, and Build Settings
An Xcode project is a file that contains a list of references to other files (source code, resources, frameworks, and libraries) as well as a number of settings that lay out the rules for items within the project. Projects end in .xcodeproj, as in TouchTracker.xcodeproj.
A project always has at least one target. When you build and run, you build and run the target, not the project. A target uses the files in the project to build a particular product. The product that the target builds is typically an application, although it can be a compiled library or a unit test bundle.
When you create a new project and choose a template, Xcode automatically creates a target for you. When you created ...
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