Final answer:
Creating metaphorical expressions involves using imaginative language to replace common nouns, which can enhance the expressive quality of writing. Examples include 'daystar' for 'sun' and 'silicon brain' for 'computer', which add vivid imagery and connotations to the nominal references.
Step-by-step explanation:
The student's question involved creating fanciful, metaphorical two-word replacements for nouns. This can be a creative exercise in which students learn how to use language in a more nuanced and colorful way. When substituting common nouns with metaphorical expressions, it's essential to consider the connotations and imagery that these new combinations create. For example, replacing sun with daystar incorporates both the literal illumination that the sun provides and the poetic implication of its importance like a celestial guide.
To create these metaphors, you may blend qualities of the noun with unexpected or related descriptors. For instance, the word computer could become silicon brain, thus merging the material from which it's made (silicon) with the functional aspect it mimics (brain). Furthermore, avoid using fillers or unnecessary phrases that add no meaning to your metaphors. Metaphors should be succinct yet powerful. Working with concise and impactful language is a key principle not just in poetic endeavors but also in writing effectively for college assignments or any expressive writing.