This document provides a taxonomy and analysis of the tasks in Unit 4A of the New English File Upper Intermediate coursebook. It breaks down each exercise by its focus on specific skills like grammar, vocabulary, reading, listening, speaking, and pronunciation. It also analyzes the purpose and methodology behind each task, such as activating schema, developing context, encouraging peer communication, reinforcing vocabulary, and providing practice across various language skills. The level of detail in the taxonomy and analysis provides teachers and course designers insight into how the different tasks target different skills and learning objectives.