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The benefits of English for Specific Purposes (ESP) courses include:1. Speed: Learners acquire linguistic items more quickly in ESP courses than in traditional General English courses.2. Efficiency: ESP courses make the most of learners' limited time and resources by providing targeted language instruction tailored to their needs.3. Effectiveness: Learners are equipped to use English appropriately and correctly in job-related tasks after completing an ESP course, as they have been taught language that is directly relevant to their profession or occupation.ESP courses have three common features:1. Authentic materials: ESP courses use authentic learning materials, modified or unmodified, that are relevant to the learners' needs.2. Purpose-related orientation: The courses simulate communicative tasks required in the target setting, providing learners with a realistic language learning experience.3. Self-direction: Learners take responsibility for their own learning by using self-assessment and peer feedback tools.Needs analysis is an important aspect of ESP courses, as it involves identifying the learners' needs for which they require language instruction. This research area has evolved over time, with proponents of the communicative approach arguing that the selection of instructional materials should be based on a systematic analysis of the learners' needs for the target language. To distinguish between needs, wants, and lacks, authors suggest:* Needs are skills relevant to the learner;* Wants are a subset of needs, prioritized given time available;* Lack is the difference between what the learner has and what they need.