requirement

要件、必要条件

何かが実現するために必要なものや、満たすべき条件。

やさしい英語で： Something you need or must do before something else can happen.

• A driving licence is a job requirement.
• Do you meet the age requirement?
• Applicants must satisfy all entry requirements.

使い方： requirement for something (A passport is a requirement for this trip.)

類義語： necessity, condition, prerequisite

よく使う表現： meet a requirement, minimum requirement, entry requirement, legal requirement

要件、要求仕様

システムや製品が合格するために果たすべき機能を記した条件。

やさしい英語で： A written rule describing what a system or product must do to be accepted.

• Each requirement must be tested.
• The software meets every functional requirement in the document.
• Engineers changed the design to satisfy a new safety requirement.

類義語： specification, constraint

よく使う表現： functional requirement, system requirement, technical requirement, requirement specification

要求、依頼

誰かに用意してほしいものや、してほしいこと。

やさしい英語で： Something that someone asks another person to provide or do.

• The king made a requirement of his guests.
• Her only requirement was that he write to her.
• He refused to answer the messenger's requirement.

類義語： request, demand

よく使う表現： make a requirement, answer a requirement, someone's requirement