Research is a systematic process of investigation that involves gathering and analyzing information to gain knowledge or understanding about a particular subject. It often involves conducting experiments, surveys, or interviews to collect data and then analyzing and interpreting the findings. Research plays a crucial role in various fields such as science, medicine, social sciences, and business, as it helps in expanding knowledge, solving problems, and making informed decisions. It requires critical thinking, attention to detail, and the ability to draw meaningful conclusions based on evidence.