noun
left-hand corner; lower left
Refers to the corner on the left side of a rectangular area, often the bottom-left corner in contexts like documents or screens.
書類の左隅に印鑑を押してください。
Please stamp your seal in the left-hand corner of the document.
画面の左隅にメニューボタンがあります。
There is a menu button in the lower left of the screen.