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macosx_human_interface

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The Always-On Environment

Human Interface Design Principles

(from P39 to P)

Metaphors

Reflect the User's Mental Model

  • Familiarity
  • Simplicity: thinking about the typical streamline of a task.
  • Availability: avoid hiding key features and settings too deeply in submenus or making them accessible only from a contextual menu (which is not always able to be triggered)
  • Discoverability: Encourage users to discover functionality by providing cues. If an element is clickable, for example, it must appear that way. Avoid making controls invisible to inexperienced users.
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