Lectures are structured presentations given by an instructor or expert to convey information on a specific subject. They are commonly used in educational settings, such as universities and colleges, to teach students about various topics, including science, history, and literature. Lectures can be delivered in person or online, often accompanied by visual aids like slides or videos to enhance understanding. During a lecture, the audience typically listens and takes notes while the speaker shares knowledge and insights. This format allows for the efficient dissemination of information to a large group. Engaging lectures can stimulate discussion and encourage critical thinking among students, fostering a deeper understanding of the material presented.