Understand it from the perspective of purpose! So let’s make an analogy! For example, people who run for fitness in the morning and people who run professionally! Morning running for fitness is just for physical health, so you run, but professional running is for reaching a higher level. So their purposes are different!
Back to writing! The purpose of practicing calligraphy may be to make the calligraphy look better and more delicate. . Or what to achieve by practicing calligraphy! As for calligraphy, what kind of state can you achieve by focusing on this field! The purpose is different!
In terms of degree! Practicing calligraphy is relatively simple and superficial! But calligraphy pays attention to law and depth!