The ACM Computing Classification System (1991)

H.5.2 User Interfaces

• Ergonomics
• Evaluation/methodology
• Input devices and strategies (e.g., mouse, touchscreen)
• Interaction styles (e.g., commands, menus, forms, direct manipulation)
• Screen design (e.g., text, graphics, color)
• Theory and methods
• Training, help, and documentation
• User interface management systems (UIMS)
• Windowing systems