noun
object description
Technical computing term for a part of a system that describes an object, such as in metadata or object-oriented programming.
このシステムでは、対象体記述部が各オブジェクトの属性を定義する。
In this system, the object description defines the attributes of each object.
Compound of 対象体 (object) + 記述部 (description part). The exact derivation is uncertain; it appears to be a technical term formed within computing contexts.