I would like to add: "Live up to expectations" in a sense that there are so many Websites or UIs there, that most users have some sort of expectations, on where

I would like to add: "Live up to expectations" in a sense that there are so many Websites or UIs there, that most users have some sort of expectations, on where to find the menu, how to go back etc. How this and that buttons should behave. Even though, you might have a great idea, it might just confuse the user, if it is totally different than what the "standard" is.