East Asian linguistics is the study of languages spoken in the East Asia region, which includes countries like China, Japan, Korea, and Mongolia. This field examines the unique features of these languages, such as their phonetics, grammar, and vocabulary. It also explores the historical relationships between these languages and their development over time. Researchers in East Asian linguistics often focus on language families, such as the Sino-Tibetan family for Chinese languages and the Altaic family for Japanese and Korean. They analyze how cultural and social factors influence language use and change, contributing to a deeper understanding of communication in this diverse region.