適用

1. Origins, structure, and basic meaning

• Structure: 適用, read てきよう, refers to applying a rule or system to a particular case or group.
• Basic usage: In 来月から新しい規則が全店舗に適用される。, the new rule will apply to every shop starting next month.

2. Common pitfalls and similar expressions

• Rule and application target
  • In 規則が全店舗に適用される, が marks the rule being applied and に marks the shops it applies to.