Design

Design is the totality of features that affect how a product looks, feels, and functions to a consumer.

Definition

According to Marketing Management by Keller and Kotler (15th edition),

Design. The totality of features that affect how a product looks, feels, and functions to a consumer.

According to the BABOK Guide (3rd edition),

Design. A usable representation of a solution. For more information see Key Terms (p. 14) and Requirements and Designs (p. 19).

According to Managerial Accounting by Braun, Tietz (5th edition),

Design. Detailed engineering of products and services and the processes for producing them.