The document outlines the process of building an iOS app using Apache Cordova, a framework that allows developers to create hybrid mobile applications with a single codebase in CSS, HTML, and JavaScript. It explains the use of webviews for user interfaces, the addition of platform-specific functionalities through plugins, and the command line interface for project management. Key details on setting up the environment, adding platforms, and utilizing various plugins for features like social sharing and universal links are also provided.