The requirement is not scoped clearly, and is very difficult to ascertain when the requirement has actually been met, what constitutes "comfortably use and understand the application", and the condition that the user is in the "IT field" is too broad as well.
The requirement is not scoped clearly, and is very difficult to ascertain when the requirement has actually been met, what constitutes "comfortably use and understand the application", and the condition that the user is in the "IT field" is too broad as well.