SCRUM is an Agile framework that focuses on iterative and incremental development, unlike Waterfall, where sticking to the plan is a must, SCRUM tries to be more flexible and adaptive. Its core pillars are transparency, inspection, and adaptation. SCRUM mentions three roles: the Product Owner who prioritizes the backlog, the SCRUM Master who facilitates the processes and coaches the team on Agile, and the Developers, the cross-functional team that does the technical work.
The SCRUM team takes their work out of the product backlog, which is a list of features that need to be developed or worked on. Whatever gets taken from the product backlog to be worked on goes to the sprint backlog, which is a list of tasks being worked on in the current iteration cycle. Increment in SCRUM represents the done portion of the product that is produced during the sprint - the average sprint lasts two weeks, but it can be shorter or longer.
Lastly, SCRUM comes with a few of its own events or ceremonies. The sprint is the heart of SCRUM, lasting a few weeks. At the beginning, it starts with the Sprint Planning meeting, where it's decided what will be worked on during the next sprint. There are also daily scrum meetings (stand-ups), which are usually 15 minutes (or less) and serve to make sure the team is in sync and that any blockers are identified and tackled. At the end of a Sprint, there is a review meeting where the work completed in the finished sprint is presented to the stakeholders. The last event is the retrospective, which is used by the team to reflect on what can be improved for the future.
