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What does "usability" mean in programming?
usability is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
How easily and intuitively people can use a product to accomplish their goals. Good usability requires clear affordances, helpful error messages, consistent layout, and minimal friction. Evaluated through user research and usability testing.
Example
"Usability testing showed users were confused by the two-step form — we simplified it to a single step."
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