Explanation
The team should use a prioritization matrix to justify the strategy. A prioritization matrix is a tool that helps evaluate and rank ideas or features based on two criteria, such as impact and effort. It helps determine the most valuable and viable solutions, and communicate the benefits and trade-offs of each option. References:
https://trailhead.salesforce.com/en/content/learn/modules/salesforce-strategy-designer-certification-prep/prioritiz

Subjective feedback often occurs when the parameters of a critique are not clearly established. Providing clear guidelines helps participants understand the context, objectives, and specific areas where feedback is needed, focusing the discussion on constructive and objective observations rather than personal preferences.

Explanation
A storyboard is a tool that should be used to facilitate and share the vision of a new patient experience. A storyboard is a visual narrative that illustrates the user's journey with a product or service, using sketches, images, or text. It helps communicate the value proposition and key features of the solution, and how it addresses the user's needs and goals.
References:https://trailhead.salesforce.com/en/content/learn/modules/salesforce-strategy-designer-certification-p

Explanation
The strategy designer should create a journey map that extends into pre-purchase and post-use disposal to uncover unseen impacts of the product's lifecycle, to prepare to measure progress toward the goal of improving the sustainability of the business. This helps identify the environmental touchpoints and opportunities for improvement across the entire customer journey, not just during the use phase. References:
https://trailhead.salesforce.com/en/content/learn/modules/salesforce-strategy-designer-certification-prep/conduct

Exposing a knowledge base to customers in Experience Cloud allows for effective self-service by providing easy access to information, solutions, and guidance. This capability empowers customers to resolve their inquiries independently, contributing to the reduction of support costs by decreasing the demand on direct support channels.