A corner or nook (of a room); a small, often unnoticed spot. Figuratively, a small part or place in society/the world.
猫が部屋の片隅で丸くなって眠っている。
A cat is curled up sleeping in the corner of the room.
世界の片隅で、小さな奇跡が起きた。
A small miracle happened in a corner of the world.
机の片隅に古い写真が置いてあった。
An old photograph was left on the corner of the desk.