Clipping masks are used to create a viewport of what is rendered of components assigned the clipping mask. The clipping masks available are associated with the features of the style you selected.

A Example Bill Style
B There are Three Clipping Masks for this style of bill. The white area is what would show through.
C Let's see what happens when we add a image component that covers the whole style work surface.
D Here is the result of the same image with the three available masks applied.
Base Template
Presidents Window
None