Since they are of the same origin, they naturally have a lot in common. First of all, they all try to express beauty, whether in calligraphy or painting, for the sake of expressing beauty. Good calligraphy works give people a pleasing feeling, and good painting will also make people marvel at its beauty! Secondly, they run through each other and are interrelated. I have you and you have me. Calligraphy is actually a kind of painting, just another form of painting. It does not aim at depicting specific things, but depicts everyone's views on beauty and emotional character through the unique carrier of words. Painting is actually a kind of calligraphy. Separately, it is actually writing one by one, which is no different from calligraphy, except that painting is not writing words, but directly writing nature and the material world. Painting not through words, but directly depicts the material world.
Alas, calligraphy is scarce and painting is dying out (China's calligraphy and China's painting). What's the use of talking about this? Stop it!