If you only see the appearance of food, with our imagination, even if someone tells you that food is sweet, you can only imagine it roughly. Only when you taste the food yourself can you understand its taste.
The same is true of learning calligraphy. Knowing theoretical knowledge is only for faster practice. But there is a saying that practice is the only criterion for testing truth. Calligraphy needs constant practice before it can really apply theory.
It needs constant practice, exploration and re-exploration. There is no simpler way except practice.
For a very simple example, when I was in college, my teacher liked to let us do PPT homework, and the design of PPT would account for 30% of the total score. So at that time, everyone in the class was trying to learn the design of PPT, but in fact, the basic functions of PPT came and went only a few things.
Some people can design very well, while others design very generally. In fact, everyone knows the functional orientation of PPT, but some people do the same homework, which takes less time and is beautiful, while others spend more time and the designed results are not so good.
This is the accumulation of experience. After reading more, you will know what color matching and the placement of pictures and words should look like.
Although there are many PPT tutorials online, you still have to practice them yourself after reading them. Otherwise, all the tutorials still belong to others and will not be transformed into their own things.