Any particular end-use for a printed product.
An application is also used to refer to any adhesive decal, label, etc., attached to a surface or substrate.
In screen printing, application refers to any ink or color printed on a substrate. (See also Application Printing.)
In computer terminology, application refers to any software program—such as Adobe Photoshop, Microsoft Excel, or QuarkXPress—that applies programmed routines to handle certain tasks. Application, in this sense, is often abbreviated app.