UI is development part of the process that focuses of look and style. It is includes every visual element a user of a software application including things like checkboxes, buttons, text fields, icons, fonts, colours, branding and etc.
UI stands for User interface (UI) design and is development part of the process that focuses of look and style.
Basically, UI includes every visual element a user of a software application including things like checkboxes, radio buttons, dropdown lists, list boxes, buttons, toggles, text fields, date field, sliders, search fields, icons, fonts, colours and branding.
A quality UI designer will be able to balance visual attractiveness with User Experience (UX) considerations to develop a software that is both beautiful to the eye and simple to use.