Sprint Backlog and Product Backlog — What is the difference?

When it comes to agility, there are many terms and concepts that are similar. Especially in the beginning it is difficult to distinguish the different terms from each other, whether planning sprint meetings or using the software for product management.

What is a Sprint Backlog?
The sprint backlog consists of the product backlog tasks selected for the sprint. A sprint target is also added. It is a forecast of the development team, which functionalities will be in the next step and what has to be done to get it “done”.
It is usually displayed in the form of a task board.

What is a Product Backlog?
Here all requirements for the product are listed. It is kept dynamic and is always being developed further. Furthermore, it is never complete. The origin of the work of the development team can be found here.
The product owner is responsible for adding, editing and maintaining the backlog.
The product backlog lists all improvements, bug fixes and features that need to be changed in the product. It contains a description, an order and the estimate, which is also the responsibility of the development team. The Product Owner’s task is to describe the entries as clearly as possible so that the development team does not have any problems with the estimation. Due to changes in business requirements, market or technology, there are also changes in the backlog, which never stops changing.
A refinement of the product backlog is a process where details are added to each entry. An estimate is also made and the order is determined. When the entries that the development team will deal with in the next sprint are finished in detail, it can be considered “ready”.

How do Sprint Backlog and Product Backlog work together?
In order for the team to be agile, the difference between the two and their interaction must be understood. Therefore, a list of the product backlog should be created so that this list can be moved to a sprint backlog list.
Then the tasks on the sprint backlog will be divided into individual tasks so that everyone knows what steps need to be taken. Only if this is clearly agreed upon, the sprint can be started without having to make changes afterwards.

All functions of the product that are not yet implemented can be found in the Product Backlog. The tasks that should be completed in the sprint are moved to the sprint backlog.

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