noun
entity manager
A computing term for a system or component that manages entities, such as in databases or object-relational mapping.
このフレームワークの実体管理系は、データベースとのやり取りを抽象化します。
The entity manager in this framework abstracts interactions with the database.
Compound of 実体 (entity) + 管理 (management) + 系 (system). A technical term likely coined in the context of software engineering.