| Subject | English | Japanese |
| comp., MS | application compatibility | アプリケーションの互換性 (The concept of ensuring that older applications still run correctly under newer operating systems) |
| comp., MS | application compatibility database | アプリケーション互換性データベース (A database that contains a list of applications that may have potential compatibility problems and remedies. When an application starts, Windows checks this database to configure system options to minimize compatibility problems) |