Answer :
The need hierarchy is a spectrum of requirements that ranges from basic biological demands to social needs and self-actualization.
In product development & process optimization, a need is a single requirements physical or functional demand that a specific design, product, or process attempts to meet. It is widely used in a classical way in engineering design, such as systems engineering, software development, or enterprise engineering. It is a broad concept that could refer to any person's right, attribute, capability, trait, or quality of a system for it to be valuable and useful to a customer, company, internal user, or any other stakeholders. A specification document or requirement "specification" refers to the an explicit, very objective/clear demand to be achieved by a material, design, production, or service.
Learn more about production here
https://brainly.com/question/9958140
#SPJ4