... 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 ... This thesis, therefore, focuses on the studying the use of CAs in teaching speaking for students at upper secondary school.2.3. THE NATURE OF SPEAKING2.3.1. Definitions of SpeakingSpeaking can ... the key to human communication. It is a crucial part of second language learning and teaching. There are many definitions of speaking. Speaking is the process of building and sharing meaning...