Bielefeld University is a place where people can go to learn and study new things. It's like a big school where grown-ups can become smarter by taking classes and studying hard.
Think of it like a playground, but instead of playing games and running around, you get to learn new things like math, science, and history. And just like how you have different areas to play on the playground, Bielefeld University has different "departments" for each subject, where teachers called professors can teach you everything they know.
Students go to Bielefeld University to learn new things so they can become experts in their fields when they grow up. It's a special place that helps people learn, grow, and become smarter.