1. refers to the characters created in poetry. That is, the characters in poetry, the characters directly described in poetry.
2. It refers to the image of the lyric hero, that is, the author.
3. It refers to the scenery described in poems, which are often not pure natural scenery, but often entrust the poet's feelings or feelings and views on social life, which is what we often call images.
4. Image. Image refers to the objective image of the author's subjective feelings in poetry (or it refers to the objective image with profound meaning formed by the author's thinking).