"Ideological" mainly examines the grasp of the superficial meaning and deep meaning of poetry, the grasp of the poet's emotion and the understanding of the theme of poetry.
Keep your eyes on the poem. The title is the "eye" of poetry. Through this eye, we can often get a glimpse of the type, theme, object of description or chanting, even the theme of the poem and the thoughts and feelings expressed by the author. Therefore, keeping a close eye on the topic of poetry is equivalent to mastering the key to understanding poetry.