What is the difference between Width and ActualWidth in WPF?

Question

I am currently working with Panels in WPF, and I noticed that as regards the Width and Height properties, there are also two other pro

Answer 1

ActualWidth accounts for padding in the value so anytime you need to know that number you can call Actualwidth instead of width and avoid the calculation.

edit: removed Margin b/c it isn't part of ActualWidth.