Fields of study refer to specific areas of knowledge or academic disciplines that focus on particular subjects. Examples include biology, history, mathematics, and psychology. Each field has its own methods, theories, and applications, allowing students and researchers to explore various aspects of the world and human experience. These fields can be further divided into subfields, such as microbiology within biology or cognitive psychology within psychology. This specialization helps individuals gain deeper insights and expertise in their chosen area, contributing to advancements in knowledge and practical solutions to real-world problems.