Homonym: 101 (Introductory)
"101" typically refers to an introductory course or basic level of understanding about a subject. For example, a "Biology 101" class would cover fundamental concepts in biology, making it accessible for beginners. The term is often used in education to indicate that the material is suitable for those who are new to the topic.
In a broader context, "101" can also signify the essential principles or foundational knowledge of any subject. For instance, "Cooking 101" might include basic techniques like chopping vegetables or boiling pasta. This usage helps people identify resources that will help them start learning about something new, whether it's art, science, or cooking.