Sentiment analysis, also known as opinion mining, is to extract insights and understand the overall sentiment or attitude of individuals or groups towards a particular topic, product, service, or event. It is widely used in various domains, such as social media monitoring, customer feedback analysis, brand reputation management, market research, and public opinion analysis.

Overall, sentiment analysis provides valuable insights into public opinion and sentiment trends, helping businesses and organizations make data-driven decisions and gain a better understanding of customer satisfaction and preferences.