noun
naming domain
Technical computing term referring to a scope or context in which names are defined and resolved.
プログラミング言語では、命名領域が変数のスコープを決める。
In programming languages, the naming domain determines the scope of variables.
Compound of 命名 (naming) and 領域 (domain, area). A straightforward technical term likely coined as a calque of English 'naming domain'.