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The Product vision describes a future state of the Product and what problems it tries to resolve or what ambitions it tries to fulfill

In Agile release planning, you prepare for staged releases and then break those down into several different sprints or iterations.

A product roadmap is a plan of action for how a product or solution will evolve over time.

The purpose of sprint planning is to define what can be delivered in the sprint and how that work will be achieved.

A document outlining the scope, approach, resources, and schedule for testing..

A specific set of inputs, execution conditions, and expected results to validate a feature.

A collection of test cases designed to validate a system or a feature.

An error or flaw in the software that causes it to produce incorrect or unexpected results.

Verifying that recent code changes haven’t adversely affected existing features.

A preliminary test to check whether the basic functionality of the software works.

A quick evaluation to ensure that specific functionality works as expected after changes.

Testing performed by the client or end-user to validate the software before release.