AAs result in additional charges.
Bluelines accurately reflect the position of type, graphics, and images. Coated papers can range from very glossy finishes to matte finishes. A dummy should show the position of graphics and text and the size, shape, and form of a piece. Being able to match the format of data created in one program to what can be received by another is the basis for file compatibility. Many designers will place photos FPO so a printer can see where the photo is to go and how it is to be sized.