General Design

• Supports user initiation of actions
• Supports user customization of the interface
• Supports an interactive and modeless environment
• Supports direct manipulation interfaces
• Uses familiar, appropriate metaphors
• Is internally consistent; similar actions have a similar interface
• Makes actions reversible where possible; where not possible, requests confirmation
• Makes error recovery easy
• Eliminates possibilities for user errors, where possible
• Uses visual cues to indicate user interaction
• Provides prompt feedback
• Provides feedback that is appropriate to the task
• Makes appropriate use of progressive disclosure