In Agile methodology, a sprint is a time-boxed iteration of work that typically lasts between one to four weeks. During a sprint, a team of developers, testers, and other stakeholders work together to deliver a potentially shippable product increment that meets the user's needs.

Sprints are a core component of the Scrum framework, which is one of the most widely used Agile methodologies. The Scrum framework consists of a series of sprints that aim to deliver incremental value to the customer and provide feedback to the development team.

Each sprint begins with a sprint planning meeting, where the team sets goals, selects user stories or tasks to work on, and estimates the amount of work required. The team then works on these tasks during the sprint, holding daily stand-up meetings to ensure everyone is on track.

At the end of the sprint, the team conducts a sprint review meeting to demonstrate the completed work to stakeholders and gather feedback. They also hold a sprint retrospective meeting to reflect on what went well, what could be improved, and what actions to take in the next sprint.

The use of sprints in Agile methodology allows teams to focus on delivering small, incremental improvements, which can help reduce risk, increase flexibility, and improve customer satisfaction. By breaking down work into smaller chunks and regularly delivering working software, teams can stay aligned with the customer's needs and respond quickly to changing requirements.