Your brainhas two parts. Left and right. In the left side, there is nothing right. In theright side, there is nothing left.

left /right  adj,noun, adv

left hand right hand

left-handed / right-handed

Turn right/turn left

Take the next road on the left/right.

Twist your body to the left, then to the right.

To your left/right, you can see the school library

I am the third people  from the left

I left my Chinese book in the classroom.

Did you get the answer right?

Every child has a right to go to school.

He just arrived at the right time.

 centre  (US center)  

He walked to the centre of the temple.

The statue is in the centre of the temple.

We both work in the city centre.

Shopping centre/shopping mall

left, right and centre

He's giving away money left, right and centre.