requirement
business requirements
software requirements
requirements engineering
requirements analysis
requirements elicitation
requirements management
requirement prioritization
requirements traceability
specification (technical standard)
shall and will - phrasing
MoSCoW Method - prioritisation technique
user story
use case
/suto3/google.iconrequirement
/suto3/Google画像検索.iconrequirement
/suto3/Google定義検索.icon requirement
/suto3/wikipedia.iconrequirement
/suto3/weblio.icon requirement
/suto3/kotobank.icon requirement
/suto3/jisho.icon requirement