Courses are structured programs of study that help individuals learn specific skills or knowledge in a particular subject. They can be found in various settings, such as schools, universities, and online platforms. Courses often include lectures, assignments, and exams, allowing students to engage with the material and demonstrate their understanding. Many courses are designed for different levels, from beginners to advanced learners. For example, a math course might cover basic arithmetic for newcomers, while a computer science course could delve into complex programming languages for experienced students. Overall, courses provide valuable opportunities for personal and professional growth.