2, own ideas, hand-designed. This needs to be designed by yourself. Advantages are: unique, not the same, unique. Disadvantages are: you need to have a foundation such as calligraphy, and it takes time and energy.
3. Combining names to form words that conform to certain aesthetic principles is the highest realm.
4. Description: With regard to design, apart from the basic skills of calligraphy (mainly running script and cursive script), it is recommended to learn some fine arts, artistic figures and plastic arts. At the same time, there are some websites on the Internet that provide signatures. You can browse more, study more and read more, and your ideas will be inspired and your progress will be faster.