What are the line drawing skills in the appreciation of ancient poetry?

Line drawing technique is widely used in classical poetry. As an artistic method, it simply and vividly depicts images, expresses artistic conception, and highlights language features and poetic style.

There are many skills in writing ancient poems, and the images are strong or weak. Thick and colorful descriptions can be poor, giving people a penetrating feeling; The sketch of the simple pen seems inconspicuous, but it has the exquisite light to the extreme, and the beauty of silence is better than sound. However, when appreciating poetry, it is often ignored. In view of this, the author talks about his own understanding. Sketch, originally a kind of Chinese painting, is drawn purely by lines without color rendering.