Teacher Online Talk in ELT is a book that explores how teachers communicate with students in online English language learning. In the digital era, teaching is no longer limited to physical classrooms. Online platforms have created new ways for teachers and students to interact, discuss, ask questions, and build understanding. This book explains the role of teacher talk in online English Language Teaching, including how teachers give instructions, explain materials, ask questions, provide feedback, encourage participation, and create a supportive learning atmosphere. It also highlights the importance of clear and effective communication in helping students understand lessons and become more confident in using English. Written for the general public, this book presents the topic in an accessible way so that readers from different backgrounds can understand the importance of communication in online education. It is especially useful for teachers, students, parents, education observers, and anyone interested in the development of digital learning.