Final answer:
The customer requirements is NOT a project constraint.
Step-by-step explanation:
A project constraint is a limitation or condition that must be satisfied by a design. It sets boundaries and limitations on a project and affects its scope, schedule, and resources. The correct answer to the question is The customer requirements. While customer requirements are important in defining the scope and objectives of the project, they are not considered constraints as they provide the necessary guidelines and expectations for the project.