In this poem, "inkstone" refers to the inkstone, and "three or five strokes" refers to the calligrapher's gentle stroke on the inkstone, and the ink falls on the paper, as if hearing a partridge crow.
This poem shows the unique charm and aesthetic feeling of calligraphy art through image metaphor and vivid description. It expresses the calligrapher's emotional input and artistic pursuit in the creative process, as well as the artistic conception and aesthetic feeling conveyed by the works.