A survey is a systematic and comprehensive examination of a particular subject or area, often conducted through the collection and analysis of data from a sample population. It is a method used to gather information and insights about a topic, such as opinions, attitudes, behaviors, or demographics. Surveys can be conducted through various means, including questionnaires, interviews, or online forms, and are commonly used in research, marketing, and social sciences. The results of a survey can provide valuable insights and inform decision-making processes.