Poetry emphasizes more: poetry, the art of poetry.
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Poetry is fascinating wisdom.
Poetry is wisdom that makes the mind comfortable.
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I'll give you two examples of poems:
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(1) Do you want to hear my poem?
Do you want to hear my poem?
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I wrote this poem for you today.
I wrote this poem for you today.
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Poetry is more specific to this poem, a simple poem.
Therefore, in this sentence, we should use, generally speaking, the word poem means the poet.