A university college is a school that offers both undergraduate and graduate programs in various fields of study. Think of it like a big building with lots of classrooms and teachers where students go to learn lots of cool things about different subjects.
Just like how you have different toys and activities to play with, a university college has different departments where you can study different things. For example, there might be a department where you can study math and science, another department where you can learn about history and languages, and yet another department where you can explore the world of art and music.
When you're in university college, you get to choose what you want to study and specialize in. So let's say you really love animals and want to become a veterinarian when you grow up. You might choose to study biology at the university college because it will help you understand more about animals and their bodies.
To go to university college, you usually have to finish high school first. Then you can apply to different programs and see which one you get accepted to. Once you start university college, it can be a lot of hard work and studying, but it can also be really fun and exciting because you get to learn so many new things about the world around you!