I need to simply define and explain the prinicliples of User interface design

Accessibility

Aesthetically Pleasing

Availability

Clarity

Compatibility

Configurability

Consistency

Control

Directness

Efficiency

Familiarity

Flexibility

Forgiveness

Accessibility

Aesthetically Pleasing

Availability

Clarity

Compatibility

Configurability

Consistency

Control

Directness

Efficiency

Familiarity

Flexibility

Forgiveness

Immersion

Obviousness

Operability

Perceptibility

Positive First Impression

Predictibility

Recovery

Responsiveness

Safety

Simplicity

Transparency

Trade-Offs

Visibility