Change for Free | Glossary

Definition:

Companies now prefer to deliver high value features. Company commits to deliver high quality product defined by the agreed upon Definition of Done. Customer participates actively with Scrum team, keep himself available and engaged during the entire project.

Customer shall be able to make changes to the Scope without incurring any additional cost if total Scope of contracted work is not changed. New features may be added for free at Sprint boundaries if items of equal scope are removed from the contract.

The customer is expected to be active in the project prioritizing features by business value and get it implemented in order to get maximum value, participate in each sprint planning by discussing selected features with team answering question to provide clarification. Participate in writing conditions of satisfaction for each feature so that the team has the clear definition of done. At sprint reavie provide feedback for both work-in-progress and completed work. He also participate responsibly in grooming the backlog where high value items are swapped with comparative low value items.

Further Reading:

Book: The Art of Doing Twice the Work in Half the Time by Jeff Sutherland
Book: Succeeding with Agile, Software development using Scrum

Affinity Diagram | Glossary

Definition:

Affinity Diagram is a powerful tool to organise information. A tool that gathers ideas, opinions, issues and organised them into groups or themes based on their natural relationships.

The term affinity diagram was devised by Jiro Kawakita in 1960 and also referred as KJ Method. During brainstroming session, this tool allows large number of ideas generated and sorted to make some sense for review and analysis to bring insights. The process to develop this is to record each ideas on cards or notes, cluster ideas that seems to be related and  label them as it make sense which can be further use for easier management and analysis.

Further Reading:

https://en.wikipedia.org/wiki/Affinity_diagram
https://www.interaction-design.org/literature/article/affinity-diagrams-learn-how-to-cluster-and-bundle-ideas-and-facts