In this dialog you can modify the dimensions of an object. This is currently not possible for text objects. If you want to resize text objects, drag them to the desired size.
To modify the size of an object, you need to enter a new width and height and press "OK". If you have ticked the checkbox "Keep aspect-ratio", Hollywood Designer will automatically calculate the correct second size so that the object will not be stretched.
If you want to change the dimensions of a line, you need to enter new coordinates for the line in this dialog. A line is always defined by its start and end point.
If the object is a brush, animation, or video there will be a "Reset" button which you can use to reset the dimensions to the original size of the object.