7. Use Appropriate Objects

7. Use Appropriate Objects

• Graphical objects should convey what kind of actions should be associated with them
  • Example: three-dimensional buttons convey the impression that they can be acted upon (they look like they can be pushed)
• Graphical objects and controls should use consistent, self-explanatory metaphors
  • Example: the filing cabinet, file folder, and document icons are excellent metaphors for disk, directory, and file
  • Example: the Macintosh trash can icon clearly communicates its function to the user.

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