noun
direct file
Computing term for a file organization where records are accessed directly by their physical address or key, without sequential scanning.
直接編成ファイルは、レコードをキーで直接読み書きできる。
A direct file allows records to be read and written directly by key.
Compound of 直接 (direct) + 編成 (organization) + ファイル (file), a calque from English 'direct file'.