UI — User Interface
Definition: The visual and interactive layer through which a user operates a product — screens, buttons, menus, forms.
Example
A great UI is invisible. A bad UI generates support tickets.
When you'll hear it
UI shows up most often in engineering planning, architecture reviews, and sprint retrospectives. When someone uses it, they're usually referring to user interface — and they expect the room to already know what that means.
FAQs
What does UI stand for?
UI stands for User Interface.
What does UI mean in technology and engineering?
The visual and interactive layer through which a user operates a product — screens, buttons, menus, forms.
Where will I hear UI used at work?
UI comes up most often in engineering planning, architecture reviews, and sprint retrospectives. It's used as shorthand for user interface, so people assume you already know the term.