Identify the purpose of a medium (i.e., to inform, to persuade, to entertain, to describe). SPI 0701.7.3

Links verified on 3/25/2010

1. Test Tutor - author's purpose and perspective
2. Comparative Exercise - find all the features unique to the text format.
3. Overview of Fifty-Two Media - learn about the different types of media and their purpose
4. Semiotics for Beginners - in-depth study of systems of signs; 'semiology aims to take in any system of signs, whatever their substance and limits; images, gestures, musical sounds, objects, and the complex associations of all of these, which form the content of ritual, convention or public entertainment