Stakeholder Values are the Scalar improvements a Stakeholder need or desire.
Product Qualities are the Scalar Attributes of a Product.
Values, Functions, Development Resources, Solution Constraints.
Qualities, Functions, Development Resources, Solution Constraints.
A Stakeholder would normally have their Stakeholder Values, irrespective of the Product you are developing. It relates to how well they do, or their business do.
Your Product, with its Product Qualities (e.g. Usability), can become the Solutions to satisfy a Stakeholder Value.
A Product could be developed with Functions and Product Qualities to satisfy Stakeholder Values.
A Stakeholder Values is 'attached' to Stakeholders. A Product Quality are 'attached' to a Product.