Answer:
The correct answer is 4. A metaphor.
Step-by-step explanation:
Metaphors are words, linguistic expressions or various forms of imagery that are used with transferred meaning. That is, one writes or talks about one thing to express another thing. A metaphor is a comparison in which the comparative word is not included. Metaphors are very common in everyday expression in all languages, that transfers the meaning of the original name to another object. It is part of the normal function and use of language, but it is especially important in poetry.