A study of the causes of language change language change process comparison of language and theory of language change, as well as the effects of changes in the field of language. The meaning of the sentence.
The study of changes in the process of language change and language theory to compare the change in language as well as the effects of changes in the language of sounds, words, sentences and meanings.
The causes of language change and language as well as the comparison process activism ทฤษฎีการเปลี่ยนแปลงของภาษา effects of language change in the field. Sound, words, sentence meaning.