What are the characteristics of the four ancient traditions of linguistic research?

(A) The tradition of flash words characterized by phoneme isolation and letter creation, as Robbins said: "Inventing any words that record spoken and listening languages in visual form is a large-scale undertaking to solve practical problems by applying linguistic analysis methods, which usually requires the efforts of several generations." ?

(2) Greek tradition characterized by morphological induction and logical syntax. 10 century ago, Phoenician letters were converted into meta-consonant letters, and the Greeks began to analyze the pronunciation of Greek. The etymology of grammar is letters. The history of the word grammatikos shows that the borrowing of letters and the use of words are the beginning of Greek studies. ?

(3) The Indian tradition characterized by morphological analysis and phonetic analysis is generally believed that the Indian tradition characterized by morphological analysis and phonetic analysis of Indian letters originated from the Alama alphabet and was borrowed in the 8th century or even earlier.

(4) China tradition is characterized by semantic interpretation and seeking meaning by sound. Although the pre-Qin period has seen the budding of China's traditional linguistic research, which focuses on exegesis and seeks meaning by sound, such as Laozi's "Tao name", Confucius' "Rectifying name", famous scholars' "Debating name" and Xunzi's "Punishment name". The embryonic form of exegetics has emerged, and the achievements of China linguistics as a discipline are outstanding among the four major linguistics in Qin and Han Dynasties. Different from the morphological changes faced by western scholars, China scholars are faced with a rooted language structure, and the semantics of notional words and the functions of function words have become the focus of research.