What is the user interface

- What is the user interface design
- What is the user interface in operating system
- What is the user interface of instagram
- What is the user interface of youtube
- What is the user interface of a game
- What is the user interface definition
- What is the user interface of spotify
- What is the user interface mean
- What is the user interface model
- What is the graphical user interface
- Gui (graphical user interface)
- What is the database user interface
- What is user interface design in software engineering
- What is user interface testing