What is full form of UI in web design ?

I used these filters many times and they all are amazing but yesterday I tried the calendar filter and it didn't work. Well, I have been using some sources like https://masterbundles.com/amazing-june-calendars/ which helps me to understand this issue here. By the way, you must try it also.

I used these filters many times and they all are amazing but yesterday I tried the calendar filter and it didn't work. Well, I have been using some sources like https://masterbundles.com/amazing-june-calendars/ which helps me to understand this issue here. By the way, you must try it also.

User Interface is presented (displayed) on the computer screen. It is the result of processed user input and usually the primary interface for human-machine interaction. The touch user interfaces popular on the small mobile device is an overlay of the visual output to the visual input.