Six ancient word-making methods:
1. Pictographs: Some pictographs are not directly used to represent specific objects, but are used to represent concepts related to objects.
2. Indication: It is a word-making method that uses symbolic symbols or adds indicative symbols to graphics to express meaning.
3. Tacit method: it is a word-making method that combines two or more words according to their meanings to express a new meaning.
4. Pictophonetic character method: it is a word-making method composed of pictophonetic characters and phonetic characters. Because pictophonetic characters are produced on the basis of pictograph, reference and understanding.
5. Transfer note method: There are many sayings in the past, and the most popular one is a word-making method adapted to dialect differences and phonetic development.
6. Borrowing method: it is a way to express new meanings by using homophones ("false" also refers to borrowing). For example, "Ru" is a water name and is borrowed as a second person pronoun.