expression
on the left as one faces it; viewer-left
Used to specify the left side from the point of view of someone facing the object, stage, picture, building, etc.; this may differ from the object's own left side.
入口に向かって左側に受付があります。
The reception desk is on the left as you face the entrance.
写真の向かって左に写っているのが私の兄です。
The person on the left as you look at the photo is my older brother.