Design concerns: Criteria of the proposed product used in the decision process to quantitatively carry out the selection process and ultimately leading to the final design.

Some design concerns were determined through customer surveys where consumers had the opportunity to prioritize certain aspects of the product.

Other design concerns were determined by the team based on longevity and overall function of the product.

Requirements: Values that must be met by the design for it to function properly and be successful in the market.

Goals: Criteria that need to be optimized in the product.