解除

1. Origins, structure, and basic meaning

• Structure: 解除, read かいじょ, means removing an imposed state such as a lock or restriction.
• Basic usage: It is used for unlocking a door or confirming that an alarm has been deactivated.
  • 暗証番号を入力して扉のロックを解除した。

2. Common pitfalls and similar expressions

• What is removed compared with 削除
  • 解除 deactivates a lock or lifts a restriction, while 削除 deletes an item itself, such as text or data.