The channel is the medium by which your message is delivered to the reciever. Traditionally, proposals have been delivered on paper in print but there are now other options, and they are becoming increasingly popular. For example, your proposal might be accompanied by a digital video of your eqequipment in action. Including a CD or videotape with your document expands the range of channels you are using to get your message home. Or you might present your proposal orally before handing over the document itself, using some form of multiple media presentation graphics. combinit ng an audiovisual channel with print is a good idea, because research indicates that for relatively simple message s an audiovisual presentation is actually more Persuasive than print alone.