What is the best way to lay out things such as images, textfields, buttons, labels ... also what is the best way of moving around groups of textfields, buttons, ... how do you group these things into containers? Can a UIView contain a UIView? Can a UIView contain a UIView that is scrollable, leaving the outer UIView non scrollable? What is the most basic building block for building a GUI on the IPhone? is it the UIView?