A requirement attribute is a characteristic or property of a requirement that provides additional information about it. Requirement attributes can help to manage, prioritize, trace, and verify the requirements. Some common requirement attributes are source, priority, status, owner, version, etc. One of the qualities of a good requirement is that it should be unambiguous, which means that it should have only one possible interpretation and avoid any confusion or misunderstanding. An unambiguous requirement is clear, precise, and consistent, and it can be easily verified and validated. An ambiguous requirement, on the other hand, can lead to errors, defects, rework, and conflicts among the stakeholders. References:
Characteristics of Effective Software Requirements and Software Requirements Specifications (SRS) - Jama Software, under Qualities of Good Requirements
The Four Attributes of High-Quality Requirements - ArgonDigital, paragraph 1
CBAP / CCBA Certified Business Analysis Study Guide, 2nd Edition, page 47
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