This document is a paper discussing various approaches and methods in Teaching English to Speakers of Other Languages (TESOL), focusing primarily on the Communicative Language Teaching (CLT) method, its principles, benefits, and challenges. The paper goes on to describe Task-Based Language Teaching (TBLT) as a subcategory of CLT, highlighting its emphasis on authentic language use and meaningful tasks. Overall, it aims to enhance understanding of these teaching methodologies and their applicability in diverse learning contexts.