requirement

The word "requirement" refers to something that is needed or demanded as an essential part of a process, plan, or situation. It is more than just a preference; it is a condition that must be fulfilled. Think about building a house: there are structural requirements (it needs a foundation!), safety requirements (electrical wiring must meet code), and legal requirements (permits must be obtained). Without meeting these requirements, the house simply cannot stand—or it won't be legally habitable.

Requirements are not limited to physical things. They often apply to skills, qualifications, or behaviors. A university has admission requirements for prospective students—certain grades, test scores, and application materials are all necessary. Similarly, an employer will list job requirements, outlining the specific experience, education, and abilities they seek in a candidate.

The term can also be used more broadly. "A basic requirement for happiness," someone might say, "is having strong relationships." Or, "Honesty is a fundamental requirement of any good friendship." In technical fields like software development, "requirements" are detailed descriptions of what a system or product must do. These are often meticulously documented and followed throughout the project lifecycle.

Whether it is a legal obligation, a necessary ingredient for success, or a core value—a requirement is something that must be present or fulfilled to achieve a desired outcome. It is about necessity, not just preference.