cone of influence
Computing term referring to a region in a diagram or model where a particular factor has an effect.
In this diagram, the cone of influence is shown in red.
Common mixed kanji-kana spelling for the computing term.
Full kanji spelling; 円錐 is the standard kanji for 'cone', but the mixed form is more common in technical contexts.
Compound of 影響 (influence) and 円すい/円錐 (cone), directly calquing the English computing term 'cone of influence'.