| Project scope - | (Software Engineering) a statement of basic requirements of the software to be built |
| Quality - | (Software Engineering) the degree to which a product conforms to both explicit and implicit requirements |
| Quality function deployment (QFD) - | (Software Engineering) a technique that translates the needs of a customer in technical requirements for software by assessing the value of each requirement |
| Requirements analysis - | (Software Engineering) a modeling activity whose objective is to understand what the customer really wants |
| Requirements engineering - | (Software Engineering) the activities required to elicit, elaborate, negotiate, specify, and validate system or software requirements |
| Software Requirements Specification - | (Software Engineering) a deliverable that describes all data, functional and behavioral requirements, all constraints, and all validation requirements for software |
| Validation - | (Software Engineering) tests to ensure that the software conforms to its requirements |
| crop requirement | ความต้องการใช้น้ำของพืช : ความต้องการใช้น้ำชลประทาน ของพืช |
| farm delivery requirement | ปริมาณน้ำชลประทานที่ส่งถึงแปลงเพาะปลูกหรือปริมาณน้ำที่ต้องการ ณ ท่อส่งน้ำเข้านา |
| irrigation demand | ความต้องการน้ำชลประทาน : ดู irrigation requirement |