Final answer:
The question relates to a (Option c) scope constraint in project management. Scope constraints detail the limitations or conditions like features and functionalities the project's output must satisfy.
Step-by-step explanation:
The question, "What unique product does the customer expect from the project?" refers to a scope constraint within project management. In the context of a project, a constraint is defined as a limitation or condition that the project must satisfy. On the other hand, a criterion is a measurable standard used to compare different possible designs. When it comes to assessing the quality of a design, both criteria and constraints are crucial. Criteria are used to compare different designs and to determine which better solves the design problem, whereas constraints must be met for the project to be considered successful. In this case, identifying the unique product that the customer expects is critical for defining the project's scope, as it will determine the features and functionality that the finished product must include.