The document discusses setting up projects in Xcode. It describes how to create a new project, connect to existing projects, select project templates, and configure project options. It also overview the Xcode workspace window which includes the toolbar, navigator view, jump bar, utility pane, interface builder and new compiler and debugger. The document further explains introducing Xcode's interface builder and what's included in nib files like file's owner and first responder. It covers the library, adding objects like labels, and finishing touches like adding app icons in different sizes and format.