A checklist for good design

The top five general principles of good design, often cited across disciplines such as product design, graphic design, and architecture

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1. User-Centered Design

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• Definition: Design should prioritize the needs, preferences, and goals of the end user. Understanding the user's context, behavior, and challenges ensures the product is functional, accessible, and intuitive.
• Key Idea: "Know your user."
• Example: A mobile app with clear navigation and large buttons for easy accessibility.

2. Functionality

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• Definition: A design must fulfill its intended purpose effectively. If a design looks good but does not work properly, it fails.
• Key Idea: "Form follows function" (Louis Sullivan).
• Example: A chair should be comfortable to sit on before being aesthetically pleasing.

3. Simplicity and Clarity

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• Definition: Design should eliminate unnecessary complexity, ensuring clarity in function and appearance. Simplicity makes the design easier to use and understand.
• Key Idea: "Less is more" (Mies van der Rohe).
• Example: Minimalist websites with clear typography and straightforward navigation.

4. Consistency

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• Definition: A design should maintain uniformity across elements to ensure predictability and reduce cognitive load. Consistency creates familiarity and trust for users.
• Key Idea: "Design for patterns."
• Example: A website where buttons, colors, and fonts remain consistent across all pages.

5. Aesthetics

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• Definition: Good design should be visually appealing, as aesthetics influence usability and emotional connection. However, beauty should not compromise function.
• Key Idea: "Beauty enhances usability" (Don Norman).
• Example: Apple's product designs, which balance beauty with simplicity and functionality.
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These principles are often supplemented by others like sustainability, accessibility, and iterative design, depending on the context and field of application.