Refactor Scrum-Guide.md contents for brevity

The commit refactors the content of Scrum-Guide.md to make it more concise and easier to read. The purpose of the Scrum Guide, the definition of Scrum, and the Scrum theory are explained in a simplified manner. The commit also removes unnecessary repetitions and clarifies the importance of transparency, inspection, and adaptation in the Scrum framework.

Scrum-Guide.md

@@ -8,25 +8,13 @@
 
 ## Purpose of the Scrum Guide
 
-We developed Scrum in the early 1990s. We wrote the first version of the Scrum Guide in 2010 to help
+We developed Scrum in the early 1990s. We wrote the first version of the Scrum Guide in 2010 to help people worldwide understand Scrum. We have evolved the Guide since then through small, functional updates. Together, we stand behind it.
-people worldwide understand Scrum. We have evolved the Guide since then through small, functional
-updates. Together, we stand behind it.
 
-The Scrum Guide contains the definition of Scrum. Each element of the framework serves a specific
+The Scrum Guide contains the definition of Scrum. Each element of the framework serves a specific purpose that is essential to the overall value and results realized with Scrum. Changing the core design or ideas of Scrum, leaving out elements, or not following the rules of Scrum, covers up problems and limits the benefits of Scrum, potentially even rendering it useless.
-purpose that is essential to the overall value and results realized with Scrum. Changing the core design
-or ideas of Scrum, leaving out elements, or not following the rules of Scrum, covers up problems and
-limits the benefits of Scrum, potentially even rendering it useless.
 
-We follow the growing use of Scrum within an ever-growing complex world. We are humbled to see
+We follow the growing use of Scrum within an ever-growing complex world. We are humbled to see Scrum being adopted in many domains holding essentially complex work, beyond software product development where Scrum has its roots. As Scrum’s use spreads, developers, researchers, analysts, scientists, and other specialists do the work. We use the word “developers” in Scrum not to exclude, but to simplify. If you get value from Scrum, consider yourself included.
-Scrum being adopted in many domains holding essentially complex work, beyond software product
-development where Scrum has its roots. As Scrum’s use spreads, developers, researchers, analysts,
-scientists, and other specialists do the work. We use the word “developers” in Scrum not to exclude,
-but to simplify. If you get value from Scrum, consider yourself included.
 
-As Scrum is being used, patterns, processes, and insights that fit the Scrum framework as described in
+As Scrum is being used, patterns, processes, and insights that fit the Scrum framework as described in this document, may be found, applied and devised. Their description is beyond the purpose of the Scrum Guide because they are context sensitive and differ widely between Scrum uses. Such tactics for using within the Scrum framework vary widely and are described elsewhere.
-this document, may be found, applied and devised. Their description is beyond the purpose of the
-Scrum Guide because they are context sensitive and differ widely between Scrum uses. Such tactics for
-using within the Scrum framework vary widely and are described elsewhere.
 
 Ken Schwaber & Jeff Sutherland November 2020
 
@@ -35,11 +23,7 @@ Ken Schwaber & Jeff Sutherland November 2020
 ```
 
 ```markdown
-This publication is offered for license under the Attribution Share-Alike license of Creative Commons,
+This publication is offered for license under the Attribution Share-Alike license of Creative Commons, accessible at https://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at https://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide, you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.
-accessible at https://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary
-form at https://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide, you
-acknowledge and agree that you have read and agree to be bound by the terms of the Attribution
-Share-Alike license of Creative Commons.
 ```
 
 - Purpose of the Scrum Guide
@@ -73,8 +57,7 @@ Share-Alike license of Creative Commons.
 
 ## Scrum Definition
 
-Scrum is a lightweight framework that helps people, teams and organizations generate value through
+Scrum is a lightweight framework that helps people, teams and organizations generate value through adaptive solutions for complex problems.
-adaptive solutions for complex problems.
 
 In a nutshell, Scrum requires a Scrum Master to foster an environment where:
 
@@ -83,47 +66,25 @@ In a nutshell, Scrum requires a Scrum Master to foster an environment where:
 3. The Scrum Team and its stakeholders inspect the results and adjust for the next Sprint.
 4. _Repeat_
 
-Scrum is simple. Try it as is and determine if its philosophy, theory, and structure help to achieve goals
+Scrum is simple. Try it as is and determine if its philosophy, theory, and structure help to achieve goals and create value. The Scrum framework is purposefully incomplete, only defining the parts required to implement Scrum theory. Scrum is built upon by the collective intelligence of the people using it. Rather than provide people with detailed instructions, the rules of Scrum guide their relationships and interactions.
-and create value. The Scrum framework is purposefully incomplete, only defining the parts required to
-implement Scrum theory. Scrum is built upon by the collective intelligence of the people using it. Rather
-than provide people with detailed instructions, the rules of Scrum guide their relationships and
-interactions.
 
-Various processes, techniques and methods can be employed within the framework. Scrum wraps
+Various processes, techniques and methods can be employed within the framework. Scrum wraps around existing practices or renders them unnecessary. Scrum makes visible the relative efficacy of current management, environment, and work techniques, so that improvements can be made.
-around existing practices or renders them unnecessary. Scrum makes visible the relative efficacy of
-current management, environment, and work techniques, so that improvements can be made.
 
 ## Scrum Theory
 
-Scrum is founded on empiricism and lean thinking. Empiricism asserts that knowledge comes from
+Scrum is founded on empiricism and lean thinking. Empiricism asserts that knowledge comes from experience and making decisions based on what is observed. Lean thinking reduces waste and focuses on the essentials.
-experience and making decisions based on what is observed. Lean thinking reduces waste and focuses
-on the essentials.
 
-Scrum employs an iterative, incremental approach to optimize predictability and to control risk. Scrum
+Scrum employs an iterative, incremental approach to optimize predictability and to control risk. Scrum engages groups of people who collectively have all the skills and expertise to do the work and share or acquire such skills as needed.
-engages groups of people who collectively have all the skills and expertise to do the work and share or
-acquire such skills as needed.
 
-Scrum combines four formal events for inspection and adaptation within a containing event, the Sprint.
+Scrum combines four formal events for inspection and adaptation within a containing event, the Sprint. These events work because they implement the empirical Scrum pillars of transparency, inspection, and adaptation.
-These events work because they implement the empirical Scrum pillars of transparency, inspection, and
-adaptation.
 
 ### Transparency
 
-The emergent process and work must be visible to those performing the work as well as those receiving
+The emergent process and work must be visible to those performing the work as well as those receiving the work. With Scrum, important decisions are based on the perceived state of its three formal artifacts.  Artifacts that have low transparency can lead to decisions that diminish value and increase risk. Transparency enables inspection. Inspection without transparency is misleading and wasteful.
-
-the work. With Scrum, important decisions are based on the perceived state of its three formal artifacts.
-
-Artifacts that have low transparency can lead to decisions that diminish value and increase risk.
-
-Transparency enables inspection. Inspection without transparency is misleading and wasteful.
 
 ### Inspection
 
-The Scrum artifacts and the progress toward agreed goals must be inspected frequently and diligently to
+The Scrum artifacts and the progress toward agreed goals must be inspected frequently and diligently to detect potentially undesirable variances or problems. To help with inspection, Scrum provides cadence in the form of its five events. Inspection enables adaptation. Inspection without adaptation is considered pointless. Scrum events are
-detect potentially undesirable variances or problems. To help with inspection, Scrum provides cadence
-in the form of its five events.
-
-Inspection enables adaptation. Inspection without adaptation is considered pointless. Scrum events are
 designed to provoke change.
 
 ### Adaptation