WHAT IS SCRUM?

Scrum is a framework within which people can address complex adaptive problems, while productively and creatively delivering products of the highest possible value.
Scrum itself is a simple framework for effective team collaboration on complex products.  Scrum co-creators Ken Schwaber and Jeff Sutherland have written The Scrum Guide to explain Scrum clearly and succinctly.  This Guide contains the definition of Scrum. This definition consists of Scrum’s roles, events, artifacts, and the rules that bind them together. 
Scrum is:
  • Lightweight
  • Simple to understand
  • Difficult to master

Scrum Glossary

The Scrum Glossary is meant to represent an overview of Scrum-related terms.  Some of the mentioned terms are not mandatory in Scrum, but have been added because they are commonly used in Scrum.  
To learn more about the Scrum framework, to identify which of these terms are required elements of Scrum and to understand how the mentioned elements are connected, we highly recommend that you reference The Scrum Guide.  To learn more about terms specific to software development teams using Scrum and agile software development techniques, reference the Professional Scrum Developer glossary.

The Scrum Framework

Scrum is simple.  It is the opposite of a big collection of interwoven mandatory components. Scrum is not a methodology. Scrum implements the scientific method of empiricism. Scrum replaces a programmed algorithmic approach with a heuristic one, with respect for people and self-organization to deal with unpredictability and solving complex problems.  The below graphic represents Scrum in Action as described by Ken Schwaber and Jeff Sutherland in their book Software in 30 Days taking us from planning through software delivery.  
Scrum Framework

The Scrum Events

Prescribed events are used in Scrum to create regularity and to minimize the need for meetings not defined in Scrum. All events are time-boxed. Once a Sprint begins, its duration is fixed and cannot be shortened or lengthened. The remaining events may end whenever the purpose of the event is achieved, ensuring an appropriate amount of time is spent without allowing waste in the process.  The Scrum Events are:

Scrum Artifacts

Scrum’s artifacts represent work or value to provide transparency and opportunities for inspection and adaptation. Artifacts defined by Scrum are specifically designed to maximize transparency of key information so that everybody has the same understanding of the artifact. The Scrum Artifacts are:
Fuente: https://www.scrum.org/resources/what-is-scrum

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