1.- Bind sound and meaning Diction
2.- Transform theme into pictures Image
3.- Suitable to the tone of the theme form
4.- reinforces tone sound patterns
Diction.-Stlyle of speaking or writing as dependent upon election of words.
Image.- a portrayal of a external form of a person or thing.
Form.- the visible appearance or configuration of something.
Sound patterns.-The physical manifestation of language in sound waves.