Resources located in an app, framework, or plugin bundle.
- iOS 12.1+
- macOS 10.14.1+
- tvOS 12.1+
- watchOS 5.1+
A bundle is a directory with a standardized hierarchical structure that holds executable code and the resources used by that code. The bundle contains resources that may be accessed at runtime, such as images, audio files, user interface files, and property lists.