What are the components used for user interface in Progress?

What are the components used for user interface in Progress?

- User interfaces are a way to allow the users to use the programs in an easy and comfortable way.

- It has different concepts and terms used in Progress programming model and it is as follows:

- Screen: it is the mechanism that is used for communication purpose with the user and shows the desired output according to the input.

- Keyboard: is used to input some text or characters that will generate the output on the screen.

- Mouse: allows the user to put the cursor and communicate with the application with easy to use interface.

- Editor: this allows creating and maintaining the application that shows finally the input and output of it on the screen.