noun
object class description
Technical computing term referring to a description or specification of an object class, likely in object-oriented programming or data modeling contexts.
対象体クラス記述部には、属性と操作が定義されている。
Attributes and operations are defined in the object class description.
Compound of 対象体 (object entity) + クラス (class) + 記述部 (description part). The exact derivation is uncertain; it is a technical term likely coined in Japanese computing contexts.