MOOC, an acronym for Massive Open Online Course, is a term commonly used to describe online courses that are available for free to anyone with internet access. Some synonyms for MOOC are open online courses, web-based instruction, virtual classes, digital lectures, online education, and e-learning. These terms are often used interchangeably to describe the growing trend of accessible and affordable online education that has become increasingly popular in recent years. MOOCs provide learners with the flexibility to take courses on their own schedule and are often led by experts in the subject matter. With the rise of technology, MOOCs have become an integral part of the global education landscape, offering millions of learners around the world access to high-quality education.