to have no way of knowing; to be completely ignorant of

to make known

(disaster prevention) Short for 木造住宅密集地域 (mokuzō jūtaku misshū chiiki, “densely built wooden house area”).

foxtail barley

(computing) username

crēdō ut intelligam

(idiomatic) tears (drops from the eyes)

(informal) "not knowing even a millimeter": completely ignorant in regards to something

British Indian Ocean Territory (an archipelago and overseas territory of the United Kingdom in the Indian Ocean)

British Antarctic Territory (an overseas territory in the Antarctic administered by the United Kingdom, and also including the South Orkney Islands and South Shetland Islands)