noun
layout object class
Technical computing term referring to a class that defines layout objects, likely in the context of GUI or document formatting.
この割付け対象体クラスは、ページ上の要素の配置を管理する。
This layout object class manages the placement of elements on the page.
Compound of 割付け (わりつけ, 'layout, assignment') + 対象体 (たいしょうたい, 'target object') + クラス ('class'). A technical term formed from Japanese and English components.