The visual appearance and interactive behavior of the user interface.
Apple's Developer Documentation can be found at [User Experience]
| Human Interface Toolbox | Controls, Menus & Dialogs |
| Window Manager | Creating and manipulating Windows |
| Navigation Dialogs | Interface for opening and saving files |
| (Drag Manager)? | How to drag objects |
| Fonts Window | The standard Font selection dialog |
| Color Picker | The standard Color selection dialog |
| (Dock Manager)? | Customizing the application Dock tile |
| (Search Kit)? | Interface for searching textual content |
| (Web Kit)? | How to embed web content |
| (Disc Recording)? | API for burning audio and data CDs and DVDs |
| (Software Distribution)? | How to distribute and install your application |
| Services Menu | Share functionality with other applications |
| (Speech Recognition)? | Accepting spoken input |
| (Speech Synthesis)? | Converting text to speech |
| (Accessibility)? | How to access-enable your application |
| (Apple Help)? | HTML-based Help system |
| (Help Manager)? | API for providing help tags |
| (Help Tags)? | contextually sensitive help |
| UserAndMachine | getting the User Name and Machine Name |