The product backlog prioritizes the features needed in the product. It is a singular visible source of requirements for the product.
The sprint backlog represents the work to do in a given sprint. It is a definitive list of all the scrum team is being asked to produce for the sprint.
Learn more about the sprint backlog vs product backlog in Scrum.
There are actually two backlogs, the product backlog and the sprint backlog. They each contain the definitive list of work to be done. The product owner keeps the backlog ordered by priority.
Learn to use the backlog in Scrum and check out the sprint backlog vs product backlog in Scrum.
The product backlog prioritizes the features needed in the product. It is a singular visible source of requirements for the product.
The sprint backlog represents the work to do in a given sprint. It is a definitive list of all the scrum team is being asked to produce for the sprint.
Learn more about the sprint backlog vs product backlog in Scrum.
Each item in the backlog represents precise work and value to deliver. Often these PBIs are written using both user stories and acceptance criteria. The PBIs are what gets refined during the backlog refinement session, and if one is too large, it may be broken down into smaller PBIs.
Learn more about how backlogs are used in scrum, the sprint backlog vs product backlog in Scrum and explore the essential Scrum glossary.