and the commands and mechanism the user uses to control its operation and input data. So you s this gives you the ways to input data and we have uh  we are more  we emphasise more on the graphical user interface here. The idea is to represent buttons as figures , diagrams , symbols and on so you you can easily when you look at the symbols you understand what it is doing.
What's the function of this button.
Yeah. Yeah. So.
I think it makes the the interface really