User interface and user experience design help people understand a product and complete tasks with confidence. Clear navigation, accessible controls and useful feedback reduce friction. These four areas show how design contributes to software quality.
A practical example
In a stock-management screen, a user needs to distinguish available stock from stock already allocated to orders. Colour alone is insufficient. Clear labels, consistent numbers and an explanation of pending changes help prevent mistakes. Observe a warehouse or sales user completing the task before deciding that a polished screen is ready.
What good product design needs
| Focus | Practical approach | Check before proceeding |
|---|---|---|
| Clarity | Use familiar labels and an obvious next step. | Ask someone unfamiliar with the product to complete a task. |
| Accessibility | Support keyboard use, readable text and clear focus. | A visually attractive layout can still be inaccessible. |
| Feedback | Explain loading, success and error states. | Avoid leaving people unsure whether their action worked. |
How do I evaluate a new interface?
Ask someone representative of the audience to complete a realistic task without coaching. Record hesitation, errors and missing information, then improve the design and repeat the check.
Useful next steps
For a related perspective, read jQuery in Existing Websites: Maintain, Replace or Migrate?, Mobile Apps and 5G: Design for Real Network Conditions, Mobile-First Design: Content, Controls and Performance.
If you need help applying this to your business, explore our website design and development or discuss your project.
Sources and further reading
By Tech Me Today. Originally published January 10, 2024. Expanded on .
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