Abstract structures are concepts or frameworks that do not have a physical form but represent ideas, relationships, or systems. They are often used in fields like mathematics, computer science, and philosophy to describe complex systems or theories. Examples include graphs, sets, and mathematical models, which help in understanding and analyzing various phenomena. These structures allow for the organization and manipulation of information in a way that highlights patterns and connections. By using abstract structures, researchers and practitioners can simplify complex problems, making it easier to develop solutions or draw conclusions. This approach is essential in disciplines such as theoretical physics and data analysis.