The crossword solution for the term 'Doorstep Item' is MAT, which stands for Mail, Advertising, and Telecommunications. Mail is a service that delivers physical items such as letters, packages, and parcels to people's doorsteps. Advertising is a form of communication used to promote products or services, and it can also be delivered to doorsteps in the form of flyers, pamphlets, and brochures. Telecommunications is the transmission of information over distances, and it can be delivered to doorsteps in the form of newspapers, magazines, and other printed materials. All of these items are considered doorstep items.