Software Estimation is the process of predicting the time and resources required to complete a software development project. It helps teams plan their work, allocate resources effectively, and set realistic deadlines. Accurate estimates are crucial for project success and can influence budgeting and scheduling decisions. Various techniques are used in Software Estimation, including expert judgment, historical data analysis, and estimation models like Function Point Analysis or Story Points. These methods help teams assess the complexity of tasks and provide a framework for tracking progress throughout the development lifecycle.