What the figure of speech is used on the sea?

The phrase "the sea" can represent various figures of speech, such as metaphor, personification, or synecdoche, depending on the context. For instance, if the sea is described as "angry" or "calm," it employs personification, attributing human emotions to a natural element. Additionally, the sea might symbolize vastness, freedom, or the subconscious, making it a powerful metaphor in literature and poetry.