This document provides an overview of task-based learning (TBL) as an approach to language teaching. It defines TBL as focusing classroom instruction around tasks, which are goal-oriented activities that reflect real-world language use. The document discusses theories of language and language learning that support TBL, including the interactionist view that language develops through social interaction. It also outlines components of the TBL framework, including the role of teachers in selecting and sequencing tasks, and the role of learners as group participants. The document describes types of classroom tasks and issues like syllabus design, use of authentic materials, and assessment in TBL.