A "nibble" is a small bite or a tiny amount of something, often used when talking about food. For example, if you take a little taste of a cookie, you might say you had a nibble. This term can also apply to other contexts, like when someone shows a slight interest in an idea or proposal, indicating they might want to learn more. In the world of computing, "nibble" refers to a group of four bits, which is half of a byte. This term is important in digital electronics and programming, as it helps in understanding how data is processed and stored in devices like computers and smartphones.