noun
control data item
A computing term for a data item used to control processing, such as a flag, parameter, or command field.
この制御データ項目は、プログラムの実行フローを決定します。
This control data item determines the execution flow of the program.
Compound of 制御 (control) + データ (data) + 項目 (item). A modern technical term with no historical derivation beyond its components.