... such as the definitions of speaking, principles of teaching speaking, and the significance of teaching speaking. Also, concepts related to CLT, types of CAs used in teaching speaking, and the ... focuses on the studying the use of CAs in teaching speaking for students at upper secondary school.2.3. THE NATURE OF SPEAKING 2.3.1. Definitions of Speaking Speaking can be seen as the key to human ... advantages in teaching and learning. They, therefore, will be discussed in this research in order to improve the quality of teaching speaking skill for students at upper secondary schools.Being a...