user interface
nounUK /ˈjuːzər ˈɪntəfeɪs/
US /ˈjuːzər ˈɪntərfeɪs/
The part of a computer or app that you see and use to make it do things.
The app has a simple user interface, so even young children can use it.
OTHER MEANINGS
2. The way a person talks to or works with a machine or system.
The new ticket machine has a friendly user interface.
3. The buttons, menus, and screens that let you control a device.
He learned the phone's user interface in just a few minutes.
4. The point where a person and a computer meet and interact.
Designers work hard to make the user interface easy to understand.