The document discusses the development of English for Specific Purposes (ESP). It describes ESP as teaching English for a particular career or business purpose. The document outlines 5 phases in the development of ESP according to Hutchinson and Waters: 1) register analysis, 2) rhetorical and discourse analysis, 3) target situation analysis, 4) analysis of study skills and strategies, and 5) analysis of learning needs. It also discusses different approaches to ESP, including language-centered, skills-centered, and learning-centered.