Finite geometry is a branch of mathematics that studies geometric structures with a limited number of points. Unlike traditional geometry, which can extend infinitely, finite geometry focuses on configurations that can be completely described using a finite set of points and lines. This area of study often involves concepts such as projective planes and finite fields. One of the key features of finite geometry is its application in various fields, including coding theory and combinatorial design. Researchers explore how these finite structures can be used to solve problems in computer science, cryptography, and other disciplines, making finite geometry a valuable area of study in both pure and applied mathematics.