Basic principles from which user interface designs were drived UID habit which takes into account the departmental and enterprise goals UID habit which takes into account the number of optinos from which to choose UID guideline which focuses on users' familiarity with similar applications UID guideline which focuses on an organization's branding/marketing designs UID guideline which focuses on tools for usability (e.g. checkbox, radio buttons) Incorporate data checks for things like range or existence Needs, scope, and recieving device are all important considerations for Reports which focus on specific actions Part of UID intended to protect data from loss or damage I. Exception II. Enhance the interface III. HCI IV. Data security V. Printed output VI. Validation rules VII. Attractive layout and design VIII. Easy to learn and use IX. Understand the business X. Focus on usability