Sprint goal is the stakeholder commitment for a sprint.
It defines an outcome but not the approach to get there. This goal is set during sprint planning in response to product owner’s desired value increase, which should create a coherent and singular focus for the team. The goal should refrain from changing, even if scope is adjusted as result of new information uncovered during the sprint. Commitment of the sprint backlog.rS2 Useful to help the team optimize for purpose, not just speed.
Ken Schwaber and Jeff Sutherland, The Scrum Guide: The Definitive Guide to Scrum: The Rules of the Game, 2020, https://scrumguides.org/docs/scrumguide/v2020/2020-Scrum-Guide-US.pdf. (See notes.)