Metaphors also add to a piece of writing by making descriptions more vivid.
Consider how a metaphor improves this sentence.
The crowd moved toward the building.
The crowd swarmed the building.
(The metaphor here gives a more exact description of how the crowd moved toward the building.)
Consider how a metaphor improves this sentence.
The crowd moved toward the building.
The crowd swarmed the building.
(The metaphor here gives a more exact description of how the crowd moved toward the building.)